Everyone knows that buying a house is one of the more stressful things you can do in your life.  If you're selling, you're worried about the buyer finding issues in the title and if you're buying you can't wait to get in but their side delays.  The problem of course is that conveyancing is still a very analogue business and totally out of date. Mike Stack is the chief executive of Beam has a new platform which he says will slash the average time to sell a house from 16 to 4 weeks.  But how? Mike explains all.