Device, system, and method of electronic communication to facilitate collaboration and meeting. For example, a method of inducing social interaction among users of an electronic communication network includes: receiving a first behavioral profile representing one or more schedule items of a first user; receiving a second behavioral profile representing one or more schedule items of a second user; identifying a time-slot in which the first and second users are available according to the first and second behavioral profiles, respectively, and identifying a common activity-of-interest reflected in the first and second behavioral profiles; and sending to the first and second users invitations to engage in said activity-of-interest in said time-slot.