He couldn't go to Azerbaijan and had difficulty establishing any online contact with the country until he went to a conference in Tbilisi in 2008 and met four Azeri bloggers.

ECONOMIST: E-communication and society

He also said that "no-one had any difficulty" while descending the scree slope of the mountain's east ridge.

BBC: Snowdon

He said that no information that entered the public domain will cause Scottish Opera any difficulty.

BBC: Photo of Scottish flag