Abstract: Among other things, embodiments of the present disclosure discussed herein may be used to receive, analyze, and distribute queries about various topics from a member of an online social network to other members of the social network. The embodiments of the present disclosure may additionally assess the quality of responses to queries by members, as well as expand or narrow the distribution of the query among the social network based on various events and criteria.

Abstract: Techniques for enabling members that have interacted physically to interact thereafter via an online social networking service are described. According to various embodiments, it is determined that a first member and a second member of an online social networking service physically interacted at an interaction location at an interaction time, and a specific time interval commencing at the interaction time is calculated. Thereafter, an ephemeral prompt is displayed to the first member, during the specific time interval, indicating that the first member physically interacted with the second member, and inviting the first member to message the second member via the online social networking service. The ephemeral prompt is prevented from being displayed subsequent to expiration of the specific time interval.

Abstract: Among other things, embodiments of the present disclosure discussed herein may be used to receive, analyze, and distribute queries about various topics from a member of an online social network to other members of the social network. The embodiments of the present disclosure may additionally assess the quality of responses to queries by members, as well as expand or narrow the distribution of the query among the social network based on various events and criteria.

Abstract: A system, a machine-readable storage medium storing instructions, and a computer-implemented method are described herein are directed to a Social Proofing Engine (hereinafter “SP Engine”) that determines whether to update a target member account's profile with an attribute that is relevant to a resource accessed by the target member account. The SP Engine detects access by a target member account of a resource. The SP Engine identifies at least one trusted member account having a profile context attribute indicative of a type of affiliation with the resource. The SP Engine generates a prompt to update the target member account with the profile context attribute indicative of the type of affiliation with the resource.

Abstract: Techniques for enabling members that have interacted physically to interact thereafter via an online social networking service are described. According to various embodiments, it is determined that a first member and a second member of an online social networking service physically interacted at an interaction location at an interaction time, and a specific time interval commencing at the interaction time is calculated. Thereafter, an ephemeral prompt is displayed to the first member, during the specific time interval, indicating that the first member physically interacted with the second member, and inviting the first member to message the second member via the online social networking service. The ephemeral prompt is prevented from being displayed subsequent to expiration of the specific time interval.