martinibuster - 7:25 am on Nov 7, 2010 (gmt 0)
They're easy to spot and delete. Profile builders use a handful of posting patterns. They try to blend in with clever posting strategies but admins and mods with experience can see through it.
So bringing this back to the topic of discussion. Will it work, well, not all admins will catch them.
On the other hand, it doesn't seem like profile builders are rocking out the SERPs.