He points out that that they either didn't exist, or weren't "in the air" when he wrote the diary. Algorithm existed, for one example, but now it has a deeper, sometimes darker connotation than it used to.<p>That being said, it looks like he missed geocaching.
Half of them seem like products/companies. A large number of others like "AI (artificial intelligence)" clearly predate 1995 by decades or in the case of "algorithm" by centuries.<p>I did not get passed the "a" words before closing this article.