Facebook’s lofty valuation isn’t without some precedent. If you’d invested $1,000 in Microsoft back in 1986, you’d have over $400,000 now. And more recent tech IPOs like Google and Netflix have led to considerably less but still very good returns. Of course, that may be a little tougher for Facebook, given that it’s kicking things off at around $100 billion. Nonetheless, here are nine tech stocks that have paid off—and one recent flop.