Between 2009 and 2012 the number of tech and digital companies in London increased by 76%, growing from 49,969 to 88,215.
27% of all job growth in London comes from the tech/digital sector, employing 582,000 people in London.
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The Tooting MP has been the frontrunner in the counting process ahead of Tory challenger Zac Goldsmith.
It's not just London where elections have been taking place today. There were council elections taking place across the home counties.
A list of results for London Mayor and the London Assembly