google motherload: Google Advanced Search Operators. Just like “photoshopping” images, googling for information is almost a verb.
There are two major applications I live in: Excel and Outlook. Lookout is a plugin/extension to Outlook that permits very fast, intelligent searching across your Outlook folders. This saves me many minutes per day.
Another recent addition to the gadget list is a Pocket PC. Being able to browse the web and mail from a very small handheld.