Since the past few weeks i've been closely monitoring my on page seo as well as spending time on competitor's links as well. For a few particularly high volume search term, a Squidoo lens happened to take the top spot. After doing SB blasts, article spinning/submissions I decided to create my own squidoo lens. Strangely all the lenses I tried to create got automatically flagged, which led me to report a complaint against the squidoo lenses in my niche. 3 days later, I checked a few minutes back and while the squidoo lenses still happen to rank in #1, upon clicking the URL, it takes the user to a 'This lens has been taken down' message. I'm no seo expert, but I learnt something new today, which is to really keep an eye on your competitors. And to sweeten the deal.. this squidoo lens happens to link to the same website that's paying hell a lot of money via Paid PR's in order to bump their rankings (mentioned in my other thread). I fell from #1 to #2 position yesterday.. but I hope to keep up at it.