After these amazing numbers Google has just announced (see Donna Bogatin at ZDNet) and the power Google shows (see also Donna Bogatin) we all have the hope that we are not longer obliged to memorize those billions of Web-2.0-company. One seems to be enough.
(This is the third part of the implicit series "Web 2.0 Made Easy". See also The New VC Process and Pricing 2.0)