Study: Facebook and Twitter usage slips, with Instagram gaining

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

Active usage has been slipping for Facebook (FB) and many other popular social networks, GlobalWebIndex reports in a new study -- though Facebook is still the worldwide king.

Active usage of YouTube (GOOG, GOOGL) dropped 8% since Q3 2013, according to the report, with Facebook slipping 6%. Other usage decliners: LinkedIn (LNKD) fell 3%; Twitter's (TWTR) usage dropped 3%, and Google+ usage fell 1%.

Going the other direction were a few robust gainers: Instagram counters its parent with a 25% growth in usage; Tumblr usage up 22%, and Pinterest usage up 7%.