Gauntlet: thrown. 

posted by mrflip at 07:42AM CST on January 03

Also: the donation claims are true, if you wondered.

Besides the ad revenue, the success/failure rate on the words would give you an interesting measure of 'familiarity', which would be of research interest at least and might be worth selling to an SAT prep company.

If so, it makes the third neat example of using a service that is given away for free in order to build a business asset dataset. On Philipp Lenssen's coverbrowser.com, there's a hotornotish "tagger game" -- you punch in keywords for an image and then score for every keyword your unseen counterparts also submit. These matching keywords of course become good semantic tags for the covers.

The other is Google 411 -- it's actually a front to get huge amounts of natural speech data for training voice recognition engines.

Sneaky! Clever! 

posted by mrflip at 07:49AM CST on January 03