Read some of the buzz going on around BusinessWeek's hyped up article about Web 2.0 companies:
Signals vs. Noise blog from the folks at 37Signals...click here.
Scott Rosenberg from Salon...click here.
And a hilarious blog post by 9Rules founders...click here.
I don't have much to add to what these folks have already said except that for those of us who were around for the last bubble we definately learned that good old fashioned business sense is how to build real value: stay focused on building a company with useful products, real customers, and a solid business model.
More about how we are doing just that over at our corporate blog: The OrganizedWisdom Experience here.