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

The East Coast is set to welcome tropical storm Sandy

Last month Phil Fersht, CEO of HfS Research wrote about

Each year, I develop a presentation that examines trends to