Is the dotcom bubble about to burst (again)?

In Silicon Valley, millions of dollars change hands every day as investors hunt the next big thing – the ‘unicorn’, or billion-dollar tech firm. There are now almost 150, but can they all succeed?• ‘We need a presence in Silicon Valley, that’s the way it is’ – meet the TechCrunch startups looking for investmentHave you heard the story about the tip from the shoeshine boy, a Brit called James Pallot asks me on my last day at TechCrunch Disrupt. I hav