The Associated Press reports that the United States Copyright Office has approved six new exemptions to existing copyright law. Under the new exemptions, cell phone owners will now be allowed to break software in phones in order to use them with competing carriers. In addition, film professors can now copy snippets from DVDs to make educational compilations. The new guidelines will also now allow blind individuals to use special software to ready copy-protected electronic works. Two other exemptions deal with the issue of computer obsolescence. Now, for software and games that require machines no longer available, copy controls can be legally circumvented for archival purposes. These new rules go into effect Monday, November 27, and last for three years…