Thus, three major players can be found in the central circle, because they are providing users with a very large set of functionalities (Facebook, Twitter and Google+). If it is possible for a user to publish / share/ play / network / buy / localize on only one of these platforms, they are widely used as containers or relays for what internet users are doing on other platforms. Regarding competition between these three, I don’t believe one can eat the two others, since each one have a distinct orientation: Twitter for content discovery, Google+ to manage your online identity and Facebook to interact with your friends.
via Social Media Landscape 2012 « FredCavazza.net FredCavazza.net.
