article_snippet: he call comes amid mounting concerns that internet businesses like Twitter, Facebook and Google can be used as a platform to publish pornography or hijacked by terrorist groups to radicalise new recruits.
article_snippet: Many digital businesses have been slow to crack down on inflammatory material on Many digital businesses platforms, although Many digital businesses have vowed to get tougher in recent weeks.
article_snippet: Facebook has said Facebook will start doing more to tackle extremist propaganda.
article_snippet: However, Facebook has taken some of these companies years to take action, whilst others have failed to do anything.
article_snippet: Earlier this month, Facebook emerged that Twitter, Facebook had snubbed a meeting with a government minister called to discuss ways to tackle the proliferation of pornography on certain websites.
article_snippet: Around 500,000 explicit photographs and videos are published on social network every day, despite the fact that social network is targeted at children as young as 13.
article_snippet: People had spent up to two hours queueing to get a seat in the auditorium here the Facebook founder and chief executive was speaking.
highlights_snippet: Mobile networks argue social networks are also used for communication purposes .
  
highlights_snippet: There are mounting concerns internet businesses are being used as a platform for porn and terrorism .