In one embodiment, a method of sharing locations of users participating in a social networking service at a geographic location and communicating app related information of users participating in the social networking service, the method executed by a computer system and comprises: receiving location information and text descriptive information from a mobile device of a first user of the social networking service, the location information representing a geographic location of the first user, the text descriptive information manually provided by the first user on an input module of the mobile device; associating the location information with the text descriptive information of the first user in a database; sending the text descriptive information and the location information of the first user to a second user for display.