It’s no secret but the tide of cheap tech capital is rapidly going out and lots of start-ups that aren’t revenue-generating risk being left high and dry, if they need to raise finance again. Fortunately, there is a large lifeboat floating in the bay that offers a potential rescue – the good ship Artificial Intelligence.  I’ve written before for The Currency explaining how AI looks set to usher in a new era in tech while at the same time, funding is drying up for start-ups. Now those two trends are coalescing and we are seeing valuations and funding for companies…