Zynga rose to success on the popularity of it titles at Facebook, where millions of people enlist friends in either collaborative or competitive online play ranging from poker to growing virtual crops or building cartoon cities. Zynga's new approach, which comes as interest in Facebook Inc.'s initial public offering intensifies, presents a way to differentiate Zynga's products from the popular social network. Zynga Poker is an online poker room that allows users to connect with friends. If your friend has removed themselves from the Zynga Poker community, it8217;s likely because they no longer use the site or are not registered. Aside from connecting gamers, Zynga said it will offer other services, such as see page profiles highlighting gamers' achievements and favorite titles, as well as a live chat system that will allow people to swap strategies and send gifts.