Just had to chime in...
I discovered Squidoo after attending a Seth Godin webinar. Squidoo is fabulous! It`s a great resource for the average person searching for information about a specific topic, and it`s also a great self-promotion tool for businesses, educators, and anyone else who wants to spread their information to the public.
My company has two lenses, and we are in the process of creating more. The lenses have really helped us focus on specific products we offer, and give some useful info to our target audience. In addition, having Squidoo lenses has boosted our SEO rankings considerably, in a very short period of time.
Our lenses, if you care to check them out, are:http://www.squidoo.com/MarcomAndPOP
(this is more of an overview on our product selection)http://www.squidoo.com/shelftalkers
(this zeroes in on our shelf talker offerings)
Lens building is free, easy, and a fabulous tool to get your name out there. We try not to be too self-serving, and provide useful tools to help prospective customers make decisions.
The only downside is that, in order to maintain high rankings within Squidoo, you need to keep lenses fresh by adding content on a regular basis. Finding time to do one more SEO thing is a challenge, but well worth it!