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.
More top news
Police have released an e-fit of a man suspected of attacking her.
The force has been tweeting after carrying out a series of dawn raids.
Adenike Akingbogun made the dangerous manoeuvre after ignoring the crossing lights and driving onto the tracks.