New Office locks down documents | CNET News.com: "Office 2003, the upcoming update of the company's market-dominating productivity package, for the first time will include tools for restricting access to documents created with the software. Office workers can specify who can read or alter a spreadsheet, block it from copying or printing, and set an expiration date."
No surprises here, this has inevitable for years. Once one takes this step leased software is a small next step. This has huge "face appeal" for corporate customers. There are so many, many interesting implications of this technology.
If you don't like it, buy a Mac.