There are currently hundreds of extremist videos available on YouTube.
The first Global Internet Forum to Counter Terrorism (GIFCT) workshop takes place today in San Francisco.
Five Arabian states, including Bahrain, Saudi Arabia, and the United Arab Emirates (UAE) are all shunning neighbouring Qatar over its alleged financial links to terrorism groups last month.
The UK has been hit by three terror attacks, and a suspected fourth, over the past few months, causing death and pain to many people across the country.
After Google came under fire for ads appearing on extremist content, the tech company has vowed to clean up its act.