I think that's the thing a lot of people don't appreciate about various device form factors. Pretty much no one needs them but they're more convenient for certain things. I think this was also true of tablets when they first came out. (And as phones have grown in average size the relative advantages have shrunk.)

I don't personally use an Apple Watch. I have a Garmin Fenix that I don't use much. (I usually just wear a $30 Timex.) But I can see why people might like them.

It charges pretty quickly. Leave it on the charger while you're taking a shower in the morning, and you're set for the day.

Makes you wonder how Scoble ever found time to charge his Google Glass.

about as much as it bothers me to recharge my phone and computer

(a little, but it’s fine; i’m asleep)