Lifehacker's got a hot pot full of Gmail tips, photography calculators, hacking up your smoke alarm and figuring out which caffeine supplement gives you the most calories.
• Enjoy homemade butter in less than five minutes. I could enjoy that much homemade butter in five minutes, but I wouldn't be here the next day
• Turn Google Voice into a Growl-friendly Mac App. Plus dock notifications!
• The Attic Playground