1. A system comprising: one or more non-transitory computer readable storage media; one or more processors; and one or more modules stored in the one or more non-transitory computer readable storage media and executed by the one or more processors to: associate a shared electronic session with chat activity of a first user and a second user and a first browsing activity of the first user and a second browsing activity of the second user, wherein the first browsing activity and the second browsing activity are each associated with one or more items available for purchase via an electronic commerce website; transmit, to the first user, an indicator representing the second browsing activity of the second user, wherein the second browsing activity of the second user is independent of the first browsing activity of the first user; determine a sentiment of at least the first user or the second user with respect to one or more items associated with the browsing activity of the first user or the second user based at least in part on performing sentiment analysis on the chat activity; and recommend at least one item of the one or more items to the at least the first user or the second user.
4. The system of claim 1 , wherein the indicator is determined, at least in part, on the shared electronic session, or asynchronously browsing activity and chat activity of the first user or the second user, the asynchronous activity being associated with a selected part of the chat activity.