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

I have experienced some amazing baseball games in my life.

While this article by Randall Stross doesn’t mention exact correlations,

With three boys playing baseball, I spend every evening on