Facebook's (FB) member and usage growth is slowing sharply in the U.S., data from comScore...

|About: Facebook (FB)|By:, SA News Editor

Facebook's (FB) member and usage growth is slowing sharply in the U.S., data from comScore shows, although that's partly because it's the most dominant site: Facebook has 71% of Internet users and draws them in for six hours a month. The main areas of expansion are mobile and overseas, although neither has yet proved as lucrative as Facebook's main business.