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

For years, selecting powered access rental equipment for construction sites

Steven Sinofsky recently wrote about technologies labeled as toys and

Over the last 2+ years, Wall Street analysts have pounded