On: My Nightmare Interviews With Google

[barrkel]

Not really, not unless you're very small. People buy market research for a reason: data trumps guesses.

[nostrademons → barrkel]

A lot of data is kept strictly confidential; unless there's a mole somewhere, a market research firm isn't going to have it. Many of these estimates are made by applying data that you know about your own company's operations to public information available about your competitors.