I know that applications which do just this exist, but as a programmer I can't really afford the distraction. It's not really so bad having access to the entire planet's knowledge at one's fingertips though, so I like f.lux; [link] because it can automatically adjust your display chromatography to combat eyestrain, the same issue one faces after any long read.
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"Standing on a well-chilled cinder, we see the fading of the suns, and try to recall the vanished brilliance of the origin of the worlds."
-Georges Lemaitre
"I fly through hyperspace, in my green computer interface"
-Gem Tos
