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Examples include:

15 一月, 2016 - 09:48
  •  Snapple Beverage Company gives visitors the opportunity to meet each other with personal ads (free) that match people using attributes such as favorite Snapple flavor;
  • Zima's loyalty club, Tribe Z, where members can access exclusive areas of the site;
  • Apple's EvangeList, a bulletin board for maintaining the faith of Macintosh devotees.

An interesting extension of this attractor is the electronic trade show, with attached on-line chat facilities in the form of a MUD (multiuser dungeon) or MOO (multiuser dungeon object oriented). Here visitors can take on roles and exchange opinions about products offered at the show.