Computers make us more productive. Yeah, right. Lifehacker recommends the software downloads and web sites that actually save time. Don't live to geek; geek to live.
Quickly look something up in wikipedia, a dictionary or whatever you like (its easy to add custom sites!). The result is displayed directly on the page.
Firefox with Greasemonkey: Greasemonkey script NoDelay allows you to bypass please wait, your download should begin shortly dialogs and begin downloading files immediately.
Firefox with Greasemonkey: Blogger Raúl Ochoa has created a Greasemonkey script that adds search to Google Reader by accessing the feed items synced with Google Gears.