Social Lending Changes Banking & Finance Forever?

What ever you think of them, the new class of social lending platforms are spreading globally and arguably are taking off in their respective markets -

• Australia: iGrin.com.au
• New Zealand: Nexx.co.nz
• United Kingdom: zopa.com
• United States: prosper.com

The leader is zopa who have around 140,000 members although they say they are officially still in Beta.

I just wonder why Paypal.com doesn't move beyond its current business and launch their own, they already have authentication and non-repudiation and payments covered. Surely one or two of their 165million users would try it?

Now that would be taking the bull by the horns.

Cheers, Peter.