I hate to leap in with what seems like an ad-hominem attack on the 37 signals, but their utter and complete misunderstanding of all the basics of business is starting to grate on me, and I'm wondering if it has anything to do with Chicago. Is the problem that they're sitting there in a city without any other Internet industry, stewing in their own witty ideas, listening only to the adoring comments they get from the…
"Secondly, EVERY SINGLE COMPANY IN THE WORLD that has shares that trade is valued by taking the last share traded and multiplied by the number of shares outstanding. It's just the DEFINITION of valuation. It's TAUTOLOGICAL." Indeed. And Pets.com was worth $100 million on the day of its IPO. And tulip bulbs were worth more than a man's annual salary in 1637. And that house down the street was worth a million dollars l…
Company valuations are messier than tulip bulb valuations though. With tulip bulb valuations you are saying that since someone will pay x the bulb is valued at x. With company valuations you are saying that since someone will buy 1/n of the company for x then the company is worth n*x. This makes sense because people really want a piece of facebook and valuations do a great job of setting that price. But the price is also used to determine how much the entire company will go for, which is how the number is often thought of.
As long as the valuation goes up and you have the opportunity to sell for a net gain then it is a good investment. DHH's thoughts here are important beacause they call attention to a valuation bubble. I think the main controversy lies in his creative use of words.