Speaking to journalists in Belgium last week, Bill Gates warned against the rush to new web-based software service, and compared this to the doomed 1990s internet bubble.
Google's deal to pay $1.65 billion in stock for YouTube, an online video company that has yet to turn a profit, has led some commentators to revive talk of an internet bubble.
We've always stopped short of calling it a bubble, for a number of reasons, but certain recent funding rounds are making us reconsider our stance...