The Electronic Frontier Foundation has kept a running list of the unintended consequences arising from the Digital Millenium Copyright Act’s passage seven years ago.
It’s a long, sobering and scary list.
And the Copyright Office (who is charged with making changes to the DMCA to temper it’s effects) is not doing it’s job.
You can read the EFF’s list here.
Also here is a column by Infoworld’s Ed Foster discussing the how the DMCA and the Copyright Office protected the Sony Rootkit.
The DMCA was a bad law when it was enacted and it’s still a bad law seven years later.