► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />Robert Hannigan, new head of the UK's electronic spy agency, is concerned that US tech companies are the 'networks of choice' for terror groups such as Isis. Lionel Barber, editor, talks to Sam Jones, defence and security editor, about the accusation.<br /><br /><br />Click here for more FT Comment videos <br />http://video.ft.com/Ft-Comment<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Subscribe to the Financial Times on YouTube; http://goo.gl/vUQx5k<br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
