I was going to write a post about Facebook’s valuation, but Bill Gurley has done such an excellent job, that the better idea is to point at his post explaining “Why Facebook Clearly Belongs in the 10x Revenue Club.” There is one other important point to consider in thinking about Internet company valuations in the current economic environment: low interest rates. Companies that are still growing and have a lot of room for future growth have a fair bit of their value sitting in the future – th...