dot-com bubble 2.0

There is some rumbling (here, here) regarding the formation of another tech bubble, this time riding on the so-called “Web 2.0,” i.e. social media. To that, I’ll attest that over the past year, there has been a steady stream of stealth startups of this sort arriving seemingly out of nowhere and hiring all comers.

What to make of this? Is social media any more viable than e-commerce of the first dot-com bubble?
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