Tech entrepreneurs say sector could be ruined by post-Brexit immigration rules

So much of the Brexit debate has been dominated by unicorns – policies put forward by one side, dismissed as fantastical by the other. But it’s not all about mythical creatures. ‘Unicorn’ is a term used to describe tech start-ups that have grown into billion-dollar companies. And one of the sector’s leading investors has told this programme that Britain’s success in creating unicorn companies could be ruined by tough post-Brexit immigration rules.