A friend and I came up with a rule of thumb. If there's an internet company and at least 1 in 20 of your friend group is familiar with it then it's probably wor

A friend and I came up with a rule of thumb. If there's an internet company and at least 1 in 20 of your friend group is familiar with it then it's probably worth a billion dollars on paper. Obviously that doesn't make sense, but neither does any valuation in tech right now.