Efficiency

Lifehacks can save lots of time, but can use up lots of time implementing. XKCD made a handy chart so you can see when the pursuit of efficiency starts to pay off.

Accurate

(via xkcd: Steroids)

Accurate

(via xkcd: Steroids)

That seems about right.

See also the problem with average ratings.

xkcd: Home Organization

There’s a lot of planets

XKCD counts 786 of them.

exoplanets.png (740×740)

This site is incredibly useful for those embarrasing moments when you are not geek enought to get a geek joke, like this veiled reference to Albert Einstein.

xkcd: Correlation
via xkcd: Kerning