I’m a big fan of Idea-a-Day and subscribe to their daily e-mail alert.  The other day, this one graced my in-box:

Create a sorter in the style of coin sorters, but for socks. It would be able to pair them up, and hold one by until the other sock of the pair was inserted into the machine. It would also dispose of socks with holes in, and throw away the other one when it is inserted.  Day 1710 by Becky Walpole

If you want to get a daily dose of cool and quirky ideas, go ahead and subscribe.