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

What happens when eReaders grow up to be tablets? This

BestBuy is apparently holding iPad supply so they will presumably

If you you haven’t been following, well, trending new topics