Secret, a six-week-old social app, connects people anonymously, but there are fears that it could lead to cyberbullying. Photograph: Mike Segar/Reuters

Silicon Valley sometimes feels like high school. It has its alpha types and its outcasts, its bullies and its bullied. That, anyway, is one tak(...)

The home page of the website ask.fm. Photograph: Matt Stevens/PA Wire

The father of a British teenage girl who took her own life on Friday, has claimed that she was being abused by brutal messages on social networking s(...)