Is Twitter a good investment?

Twitter valuation.File photo dated 19/08/2009 of the Twitter icon displayed on a laptop. Issue date: Friday September 25, 2009. Micro-blogging sensation Twitter is to secure a cash injection from investors valuing the business at one billion dollars, it was reported today. The popular online messaging site is thought to have lined up 100 million US dollars (£62 million) in financing, according to the Financial Times. See PA story CITY Twitter. Photo credit should read: Martin Keene/PA Wire URN:7853385 (Press Association via AP Images)

    Just Watched

    Is Twitter a good investment?

CNN's Maggie Lake speaks with investor Simon Cook about whether it would be smart to buy stock in Twitter.