As a user: Lack of user profiles (I regularly have a personal and work Chrome profile open simultaneously)
As a developer: Push API caniuse.com/push-api
wait what... posting a *link* to a youtube video is a DMCA violation? that doesn't sound right at all. Also how are you still tweeting if your account is locked?
I actually have one of those hotspots, I set it up in June. So far I have just barely made my money back on the purchase of the hotspot, which I definitely consider a success but is by no means going to get me anywhere $10,000 any time soon.
I've been doing this thing where any time I buy a new Apple device I buy the equivalent amount of $AAPL stock too. It means each purchase hits my wallet twice as hard, making me reconsider whether I really need it, and eventually makes back some of that cost too.