Rochelle Ritchie, threatened on Twitter by Cesar Sayoc, a Florida man suspected of mailing bombs to Democrats, says Twitter does not protect users.
Author: Jessica Guynn, USA TODAY
Facebook fundraiser to help immigrant children tops $15 million with donations from around the world
More than $15 million has been donated to the Facebook campaign set up five days ago with donations streaming in from around the globe.
Can Google I/O dodge Facebook privacy concerns?
Google CEO Sundar Pichai may upstage product announcements at Google I/O to send a message to the public that Google takes privacy seriously.
Can Facebook be trusted with your personal info? Voter harvesting scheme shows perils for users
Facebook had allowed apps to access users personal info and that of their friends. News that one gave it to a voter targeting firm has renewed concerns over user privacy.