Squidoo is a platform created by Seth Godin that enables creation of pages expressing the personal point of view.
The single page, called a 'Lens' contains of standard modules that allow to create a site within a minute ( providing you have a content ). There are text modules, Flickr photos, and modules that allow to sell items from Ebay or Amazon.
The lens could be advertisement of your website, but also can make profit by itself.
What is more interesting the pages squidoo tend to rank high in SERPs.
The featured lens Krakow Travel is a good example of huge potential
of Squidoo.