How would a Brexit affect the UK's tech industry?

Introduction and digital single marketAs the UK's referendum on its membership of the European Union looms ever closer, it's time to stop talking about how many bananas are in a bunch and consider how a Brexit would affect the tech industry.Will it be harder to employ skilled IT staff from inside the EU? How about the movement of data across borders? Will the UK become a red tape nightmare for foreign companies? Can London remain a digital capital of Europe without being inside an EU nation?What