Abstract: Methods, systems, and apparatus, including computer program products, in which an indication of a telephone call being placed from a calling number is received, and a determination is made of an audio advertisement to play based on the calling number. The audio advertisement is played based on the determination.

Abstract: This specification describes technologies relating to content presentation. In general, one aspect of the subject matter described in this specification can be embodied in methods that include the actions of presenting a content item to a user; receiving a user input indicating a voice interaction; receiving a voice input from the user; transmitting the voice input to a content system; receiving a command responsive to the voice input; and executing, using one or more processors, the command including modifying the content item. Other embodiments of this aspect include corresponding systems, apparatus, and computer program products.

Abstract: In general, this specification relates to content presentation. One aspect of the subject matter described in this specification can be embodied in methods that include the actions of presenting one or more content items to a user, each content item being associated with a conversion location; logging an identifier for each of the one or more content items presented to the user; receiving a location and user identifier from the user; using the user identifier to identify the one or more content items presented to the user and comparing, using one or more processors, the location to the conversion location of the one or more content items presented to the user; and logging a conversion for a particular presented content item having a conversion location matching the received location. Other embodiments of this aspect include corresponding systems, apparatus, and computer program products.

Abstract: Methods and systems for mobile advertising that include receiving an advertisement banner from an advertiser, incorporating identifying information in to the advertisement banner to produce a modified advertisement banner, and displaying the modified advertisement banner on a display of a mobile device are disclosed.

Abstract: Among other disclosed subject matter, a computer-implemented method for providing content distribution for a mobile device includes providing a software development kit to a developer for developing an application for a mobile device. The software development kit includes an object to be inserted into the application and configured for requesting content for the application. The method includes identifying a context parameter regarding the application for use in selecting content to be distributed to the application on the mobile device. The method includes forwarding the content to the mobile device, the content being selected using the context parameter and configured to be presented to a user of the mobile device.

Abstract: Methods, systems, and apparatus, including computer program products, in which an indication of a telephone call being placed from a calling number is received, and a determination is made of an audio advertisement to play based on the calling number. The audio advertisement is played based on the determination.