Facebook COO Sandberg Sees More Teenagers on Tumblr, Twitter
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Facebook Inc., owner of the world’s most popular social network, is facing increased competition for younger users from services run by Twitter Inc. and Tumblr Inc., according to Chief Operating Officer Sheryl Sandberg.
While more teens are turning to rival social networks, Facebook usage is still growing among that demographic, Sandberg said today in an onstage interview at the D: All Things Digital conference in Rancho Palos Verdes, California.