Synthesia co-founder Victor Riparbelli said the winning businesses of the future will be those which are ‘the best at using AI’ - Justin Tallis/AFP Staff at a British tech startup are in line for a major windfall after an investment deal valued their company at $4bn (£2.9bn). Synthesia, which is developing artificial intelligence (AI) video technology, was given the price tag after selling a $200m chunk of shares to new investors including Google. It makes the company one of the highest-valued private ...