In the CNNMoney article "Ron Conway: Tech is Nowhere Near a Bubble", Conway argues that e-commerce demonstrates how much money can be created on the web. With fewer that 6% of people buying online, Conway estimates that this number can rise to 25% over the next 10 years.
Links:
Prior post on Tech Bubble:
http://www.allenlatta.com/1/post/2012/04/tech-bubble-two-views.html
Nope! Still No Bubble Here, Says Marc Andreessen
http://allthingsd.com/20120501/nope-still-no-bubble-here-says-marc-andreessen/
Ron Conway: Tech is Nowhere Near a Bubble
http://money.cnn.com/2012/04/30/markets/ron-conway-tech-bubble/