The lesson here is that you can't just value a company by taking its current performance into account. You really need to have a view towards its future perform

The lesson here is that you can't just value a company by taking its current performance into account. You really need to have a view towards its future performance. And you need to understand why the company is not currently profitable. Just co-incidently, TWTR is going through its IPO. This is just a little nudge to remeber that profits don't matter, and you should just go buy some stock. =D