I like very much Squidoo and I made a few lenses. Plus it is smart to be able to give to the charity organizations with the advertising revenues system they have.
For me it is an excellent way to promote and what i like the most is the flexibility of a lens that you can edit or update when you have to anytime.
Talking about Squidoo as a Social Network, one great thing Squidoo should do for their own members is an internal system with advertising Squidoo member modules instead of Amazon, Ebay, etc. You can place on lens members (if they enable the module(s)) related to your theme then paying the other member with money or internal Squidoo ranking boost Just an idea...
As long as men are free to ask what they must, free to say what they think, free to think what they will, freedom can never be lost and science can never regress.