Google Maps as Turing Test

Saturday, June 02, 2007 (08:55 UTC)

I just came across Locr, a geotagging and photo hosting tool not unlike Flickr (which I'm not going to review just this minute) but which does have one of the cleverest implementations yet I've seen of a Turing Test to keep out automated sign-ups: Asking users to read a Google Maps tile and identify the feature in the middle.

Genius. And it now comes with an uploader for S60 phones like my Nokia N95.

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Comments

Nice idea.
But I wonder how long would it take for a spambot to 1) get the coordinates from the displayed map 2) do the reverse geocoding 3) select the right city ;)

Posted by: m_k at 10:20 UTC, June 02, 2007