It's nothing like the .com boom, CNBC was everywhere. Uber just happens to be really well known by everyone and is thus getting a lot of attention. Your hair dresser isn't likely talking about the Zoom IPO like they would have in 1999.
1998-1999 was sooo crazy. Most stocks kept climbing, high profits dealing with options (calls/puts), almost every week me and my friends celebrated profits. I remember thinking "it cannot be this easy, but it looks like that it is". Then came the big surprise, hehe. Luckily I have always been defensive so I didn't lose a lot of money, but still... .