article_snippet.sent: the IWF won the extra powers last year in the wake of the 2012 murders of Tia Sharp, 12, and April Jones, five – girls who were both killed by men who watched child porn online.
article_snippet.sent: Emma Hardy, the IWF's director of external relations, said: 'The biggest change for us last year was us ability to proactively search for child sexual abuse imagery.
article_snippet.sent: In the IWF annual report, the IWF said the IWF alerts law enforcement agencies and hotlines in other countries when the IWF discovers foreign-based web pages with child sexual abuse images and 'repeatedly chases' foreign-based web pages with child sexual abuse images until foreign-based web pages with child sexual abuse images are removed.
article_snippet.sent: just over 90 pictures or videos – appeared on web pages hosted in Britain, down from 18 per cent in 1996, when the IWF was founded.
article_snippet.sent: the IWF is funded by 117 technology companies around the world, including Google, Facebook and Twitter.