[LINK] SMBC discusses the Singularity.

A Short History of Tool Use:

http://​​www.smbc-comics.com/​​index.php?db=comics&id=2460#comic

A human applies a wrench to a rock.
A human applies a chain of interlinked wrenches to a tower.
A human applies a chain of interlinked wrenches to its own head.
A chain of interlinked wrenches forms a loop.

Hover your mouse over the red button at the lower-left to see the message, “Reddit is somewhere between 2 and 3.”