The sale will likely generate billions, but hidden just beneath the buzz are signs that not all is well for Silicon Valley's star.
This article titled “Five reasons not to buy Facebook shares” was written by Dominic Rushe, for guardian.co.uk on Wednesday 16th May 2012 18.22 UTC
On Friday, Facebook will finally become a public company. The hotly anticipated initial public offering (IPO) will be the largest tech company share sale ever and is expected to value the social network at over $100bn – more than the combined value of Nike and Goldman Sachs.
But not everyone is cheering Facebook on. Ahead of the sale of the century, here are five signals that suggest there may be choppy days ahead for Facebook's investors.