Internet Bubble 2.0

What's the difference between Internet Bubble 2.0 and Internet Bubble 1.0?

In Internet Bubble 2.0, eBay is rumored to be in talks to buy Skype, a company which some have estimated to have revenues in the neighborhood of $70M, for between $2B and $3B.

In Internet Bubble 1.0, Skype would have bought SBC.