Abstract: Embodiments are disclosed for identifying a suspect application based on multiple operating factors from use of multiple applications. The embodiments can generate a representative distribution of a selected factor based on collected information corresponding to multiple operating factors from use of multiple applications. The embodiments can compare a representative distribution of a target factor with the representative distribution of the selected factor and identify a suspect application when these distributions are different.

Abstract: An online system stores information identifying interactions by online system users with content provided by a third party system. The third party system includes a tracking mechanism in content that specifies one or more interactions with the content. When a user performs a specified interaction with the content via a client device, the tracking mechanism communicates information describing the performed interaction from the client device to the online system. The online system retrieves information identifying the user from the client device and stores the information describing the performed interaction in association with the information identifying the user. The third party system requests the online system generate content for presentation to the user, and the online system identifies content provided by the third party system with which additional users having at least a threshold measure of similarity to the user interacted to present to the user.

Abstract: A social networking system permits users to store content presented by the social networking system and subsequently access the stored content associated with the users. A content item is stored in association with a user profile of a user that stored the content item and with one or more criteria specified by the user that cause presentation of the stored content item to the user when satisfied. When attributes associated with a user satisfy at least a threshold number of criteria associated with a stored content item, the stored content item is included in a selection process used by the social networking system to determine content that is presented to the user.

Abstract: To allow a third party system to more particularly identify sets of users for distributing content, an online system receives data from a third party system identifying users of the online system who have authorized communication with the third party system and stores information authorizing communication between the third party system and the users in user profiles associated with the user. The online system receives a request from the third party system to transmit a notification to online system users satisfying criteria specified by the request. User profiles including information authorizing communication between the third party system and online system users are identified by the online system, which selects a set of the identified user profiles associated with information satisfying the criteria specified by the request. The online system transmits the notification to client devices associated with users associated with the set of the identified user profiles.

Abstract: An online system stores information identifying interactions by online system users with content provided by a third party system. The third party system includes a tracking mechanism in content that specifies one or more interactions with the content. When a user performs a specified interaction with the content via a client device, the tracking mechanism communicates information describing the performed interaction from the client device to the online system. The online system retrieves information identifying the user from the client device and stores the information describing the performed interaction in association with the information identifying the user. The third party system requests the online system generate content for presentation to the user, and the online system identifies content provided by the third party system with which additional users having at least a threshold measure of similarity to the user interacted to present to the user.

Abstract: An online system stores information identifying interactions by online system users with content provided by a third party system. The third party system includes a tracking mechanism in content that specifies one or more interactions with the content. When a user performs a specified interaction with the content via a client device, the tracking mechanism communicates information describing the performed interaction from the client device to the online system. The online system retrieves information identifying the user from the client device and stores the information describing the performed interaction in association with the information identifying the user. The third party system requests the online system generate content for presentation to the user, and the online system identifies content provided by the third party system with which additional users having at least a threshold measure of similarity to the user interacted to present to the user.

Abstract: An online system stores information identifying interactions by online system users with content provided by a third party system. The third party system includes a tracking mechanism in content that specifies one or more interactions with the content. When a user performs a specified interaction with the content via a client device, the tracking mechanism communicates information describing the performed interaction from the client device to the online system. The online system retrieves information identifying the user from the client device and stores the information describing the performed interaction in association with the information identifying the user.

Abstract: To allow a third party system to more particularly identify sets of users for distributing content, an online system receives data from a third party system identifying users of the online system who have authorized communication with the third party system and stores information authorizing communication between the third party system and the users in user profiles associated with the user. The online system receives a request from the third party system to transmit a notification to online system users satisfying criteria specified by the request. User profiles including information authorizing communication between the third party system and online system users are identified by the online system, which selects a set of the identified user profiles associated with information satisfying the criteria specified by the request. The online system transmits the notification to client devices associated with users associated with the set of the identified user profiles.

Abstract: An online system stores information identifying interactions by online system users with content provided by a third party system. The third party system includes a tracking mechanism in content that specifies one or more interactions with the content. When a user performs a specified interaction with the content via a client device, the tracking mechanism communicates information describing the performed interaction from the client device to the online system. The online system retrieves information identifying the user from the client device and stores the information describing the performed interaction in association with the information identifying the user. The third party system requests the online system generate content for presentation to the user, and the online system identifies content provided by the third party system with which additional users having at least a threshold measure of similarity to the user interacted to present to the user.

Abstract: To allow a third party system to more particularly identify sets of users for distributing content, an online system receives data from a third party system identifying users of the online system who have authorized communication with the third party system and stores information authorizing communication between the third party system and the users in user profiles associated with the user. The online system receives a request from the third party system to transmit a notification to online system users satisfying criteria specified by the request. User profiles including information authorizing communication between the third party system and online system users are identified by the online system, which selects a set of the identified user profiles associated with information satisfying the criteria specified by the request. The online system transmits the notification to client devices associated with users associated with the set of the identified user profiles.

Abstract: An ad publisher provides an online system with user identifying information of users who interacted with an advertisement presented by the ad publisher and indications of interactions with the advertisement. A landing page is associated with the advertisement, and the advertiser provides the online system with user identifiers of users who interacted with the advertisement and requested the landing page. The online system determines whether the ad publisher fraudulently identifies interactions with the advertisement by comparing the user identifying information received from the ad publisher with the user identifiers received from the advertiser.

Abstract: An ad publisher provides an online system with user identifying information of users who interacted with an advertisement presented by the ad publisher and indications of interactions with the advertisement. A landing page is associated with the advertisement, and the advertiser provides the online system with user identifiers of users who interacted with the advertisement and requested the landing page. The online system determines whether the ad publisher fraudulently identifies interactions with the advertisement by comparing the user identifying information received from the ad publisher with the user identifiers received from the advertiser.

Abstract: An online system transmits a notification including a reference to an application to a client device associated with a user. Upon receiving an interaction with the reference to the application, the online system may transmit instructions for retrieving the application to an additional client device associated with the user. For example, if the client device used to interact with the reference has a device type different than a device type associated with the application, the online system selects an additional client device having a device type matching the device type associated with the application to receive the instruction for retrieving the application.

Abstract: An online system stores information identifying interactions by online system users with content provided by a third party system. The third party system includes a tracking mechanism in content that specifies one or more interactions with the content. When a user performs a specified interaction with the content via a client device, the tracking mechanism communicates information describing the performed interaction from the client device to the online system. The online system retrieves information identifying the user from the client device and stores the information describing the performed interaction in association with the information identifying the user. The third party system requests the online system generate content for presentation to the user, and the online system identifies content provided by the third party system with which additional users having at least a threshold measure of similarity to the user interacted to present to the user.

Abstract: An online system stores information identifying interactions by online system users with content provided by a third party system. The third party system includes a tracking mechanism in content that specifies one or more interactions with the content. When a user performs a specified interaction with the content via a client device, the tracking mechanism communicates information describing the performed interaction from the client device to the online system. The online system retrieves information identifying the user from the client device and stores the information describing the performed interaction in association with the information identifying the user.

Abstract: To allow a third party system to more particularly identify sets of users for distributing content, an online system receives data from a third party system identifying users of the online system who have authorized communication with the third party system and stores information authorizing communication between the third party system and the users in user profiles associated with the user. The online system receives a request from the third party system to transmit a notification to online system users satisfying criteria specified by the request. User profiles including information authorizing communication between the third party system and online system users are identified by the online system, which selects a set of the identified user profiles associated with information satisfying the criteria specified by the request. The online system transmits the notification to client devices associated with users associated with the set of the identified user profiles.

Abstract: An online system receives an advertisement (“ad”) request identifying an application, one or more items for use within the application, ad content, and a prompt for purchasing one or more of the items. The prompt for purchasing an item includes instructions that, when executed by a client device, request payment information from a user accessing the prompt. When the ad content is presented to a user, the prompt is also presented. When the user interacts with the prompt, the online system determines information identifying the user to a third party system associated with the application and communicates a request to purchase the item to the third party system that identifies the user to the third party system. If the third party system receives payment information, the third party system associates the item with a user profile associated with the user by the third party system.

Abstract: A social networking system permits users to store content presented by the social networking system and subsequently access the stored content associated with the users. A content item is stored in association with a user profile of a user that stored the content item and with one or more criteria specified by the user that cause presentation of the stored content item to the user when satisfied. When attributes associated with a user satisfy at least a threshold number of criteria associated with a stored content item, the stored content item is included in a selection process used by the social networking system to determine content that is presented to the user.

Abstract: A third-party application running on a client device sends a request for a user's profile information to a local social networking application running on the client device. The local social networking application sends to the request to the social networking system, receives the requested information from the social networking systems, and provides the requested information to the third-party application. The third-party application uses at least a portion of the requested information to personalize its content for the user. In this way, the third-party application has a simple mechanism for incorporating personalized content for the user based on social information, without requiring the third-party application itself to maintain or even have access to the user's social information.

Abstract: An ad publisher provides an online system with user identifying information of users who interacted with an advertisement presented by the ad publisher and indications of interactions with the advertisement. A landing page is associated with the advertisement, and the advertiser provides the online system with user identifiers of users who interacted with the advertisement and requested the landing page. The online system determines whether the ad publisher fraudulently identifies interactions with the advertisement by comparing the user identifying information received from the ad publisher with the user identifiers received from the advertiser.