Are CAPTCHAs Getting More Difficult?

CAPTCHAs are a challenge-response test used to help decipher human responses from that of a computer in order to prevent automated software from performing actions which degrade the quality of service.  Recently I’ve noticed that CAPTCHAs are getting increasingly difficult.  Is this a sign of tech evolving faster than the human mind?

Related

“It will only take a minute,” she remarked before offering

I’ve being covering the holiday outlook here: Holiday 2012: Part

This semester, Ferris State University in Michigan has taken a