1/26/11
You can use the Track Changes feature of Pages in iWork 09 to edit documents. Suggestions are recorded and can be accepted or rejected later. Multiple writers and editors can work on a document and all changes will be recorded along with the editor and time. Comments can also be added.
1/24/11
Web developers should know that they can edit their Mac's hosts file to supersede DNS and point a domain name to a different web server. This is very useful for testing out sites before launching them or switching DNS.
