1. A computer-implemented method for providing access to a discussion group in a social network based on different electronic images comprising: receiving, with one or more processors, a first electronic image of a first source material from a first user device at a first location; performing, with the one or more processors, a first visual search using the first electronic image to identify a first object corresponding to the first source material; receiving, with the one or more processors, a second electronic image of a second source material from a second user device at a second location, the second electronic image being different from the first electronic image; performing, with the one or more processors, a second visual search using the second electronic image to identify a second object corresponding to the second source material, the second source material being related to the first source material; determining, with the one or more processors, a location proximity of the first location and the second location; identifying in the social network, with the one or more processors, the discussion group associated with a cluster that includes the first object and the second object and based on the location proximity of the first location and the second location satisfying a threshold distance, the discussion group including one or more discussion threads associated with each of the first object and the second object, the one or more discussion threads each including comments and replies received based on the comments; and providing, with the one or more processors, the first user device and the second user device with access to the discussion group in the social network.