The issue focused on the question of how to deal with world leaders that have been asked to turn over their electronic devices.

'In an age when everything is digital, it's more important than ever for them to be able to use their phones and computers in a safe way,' said David Leak, head of technology at Facebook.

U.S. President Barack Obama (L) stands next to Russian President Vladimir Putin as he talks to officials about Syria during a meeting in the Roosevelt Room of the