I want to know about the source of the content.

[Everettz]

The importance of forums helped me gain a lot of knowledge.

[deanwebb]

A post with this title in the text and then this one makes me think, "hmm... spammer..."

[Dieselboy]

I still dont get what they gain from posting nonesense.

[SimonV]

Maybe they return later on, to add back-links to other sites?

[deanwebb]

Maybe they return later on, to add back-links to other sites?

This. Get the post in early, then modify the post and/or the user profile later on, if nobody is watching. It then becomes one more page with that link, boosting the Google ranking of the link.