The Digital Network

Nothing official yet from Google, but according to JenSense, Google AdSense disabling arbitrage publisher accounts as of June 1st.
Webmaster World has this thread, but it looks like they are only going by what Jen said.
And Eric Giguere over at Make Easy Money with Google and AdSense says this.
Here is Shoemoneys' take(video embedded below) on the […]

Jill Whalen of High Rankings reveals the nuts and bolts behind the "duplicate content" myth.

Interesting video about keyword research using blogs & forums.

Yahoo! Pipes as niche research toolUploaded by marcinl