Sometimes I have to open a dozen folders and files for one or other of the projects I work on. This is a big pain; Applescript can take all the hard work off my hands.
Apple Dashboard gives you widgets to track the weather, convert units, play games, or hundreds of other handy things.
A couple of quick tips for emailing a link to a web page.
Learn these handy keystrokes for opening some much-used folders on your Mac.
Compress files into a zip archive for convenience and speed.
How to make text on web pages larger.