14 
A lot of people get very upset about doping in sport. They may well have a point — but maybe a little scientific perspective is required. Randal Monroe puts the issue well in the alt text of today’s XKCD cartoon:
“A human is a system for converting dust billions of years ago into dust billions of years from now via a roundabout process which involves checking email a lot.”
We are a all just complex assemblies of chemicals which ingest and expel other chemicals. It’s not necessarily clear why some of those chemicals are unacceptable. Discuss. [XKCD]
Google Glass, From the Perspective of a Glasshole
These Pictures of NYC From a Bicycle's Perspective Are Totally Breathtaking
Vertical Perspective of Hong Kong's Immense Skyscrapers
Holy crap there is an Alt Text?!?
*brain explodes*
That’s practically the point of XKCD!
If only Giz realised this in the millions of other xkcd posts they have made
I think this is proof that incessant whinging works.
We should do it on all issues!
Now if they can put the alt text where it belongs…
I thought “18ehq63pk8kc3png” was rather eloquent..
Yeah, but then XKCD would never get any traffic, if we spoil the surprise?
Haha sure sure..