Chicago

London's Mayor, Boris Johnson added his support to this week's Great Tech Expedition to the US, organised by the Mayor's office, UK Trade & Investment with support from Chinwag's trade mission experts, who programme the Digital Mission series.

He said, “We are a city packed with entrepreneurs who are experts in their field and my commitment to them is to provide whatever assistance I can to set them on the path towards international success. The opportunities that this whirlwind tour presents will convert into dollars for the companies and regeneration, jobs and growth back home in London."

Social Media Week, powered globablly by Nokia, gets bigger every year and we have the stats to prove it.

Founders and global organisers Crowdcentric, with the help of Beyond, Meltwater and UberVU have created this amazing inforgraphic to share what happened.