That brief history lesson aside, we all got a kick out of looking at the very first data collection from PC Meter, which dates back to early 1996, showing the list of the 20 most visited websites among U.S. business was acquired by Comscore in 2001. PC Meter would eventually become MMX, whose U.S. Many of you may not be aware that back in the mid 90’s, NPD measured Internet audiences through a business unit known as PC Meter. During a recent conversation with our friends at NPD (the company, incidentally, where I began my career), they shared with us an interesting bit of Internet history.