The Pebble doesn't even support things like reading emails, browsing the web, etc. and I wouldn't want to use such a feature. The battery life is good and it charges quickly -- mentally it's more in line with my Kindle than my phone as far as how much I think about its charge. If it runs out of batteries it isn't the end of the world anyway.
My goal in getting it was to spend less time fiddling with my phone and concentrating more on life around me, while still not missing situations where a friend or loved one needs to get in touch urgently. A secondary motivation was to miss fewer calls (I am somewhat hard of hearing & frequently keep my phone's ringer off anyway for professional reasons, and I do not always feel my phone vibrate through my jeans). The Pebble has been very successful in that regard and I consider the $99 well spent.
My hope is that even though Pebble is pursuing a somewhat higher-end market with the Pebble Time that they (or some other manufacturer) continue to produce a line of cheap, durable, minimalist smartwatches. I hope to be able to replace this one if it gets seriously damaged or becomes completely obsolete (if Bluetooth goes the way of the dodo, I guess). I have no interest in higher-end smartwatches.
So, I was thinking that the Apple phone would be something like this projected keyboard (http://en.wikipedia.org/wiki/Projection_keyboard) but as a touchscreen that is suspended in mid air.
No idea what the tech behind that could be. Closest I could come up with is the watch shooting out a fog when you want the virtual display.
I definitely thought the Apple Watch would be a little bit further ahead of other smartwatches than it is. I thought it would be to other smartwatches what the iPhone was to other smartphones at the time.
While the price may need to come down for mass adoption, anyone that is already into watches shouldn't have too much trouble with the current prices. If you can afford it, they are totally worth it, IMO. (I had the original Pebble, liked it, and now I have an Apple Watch, and I'm also happy with it.)
Parents will be able to know where their kids are at all times. Someone being attacked could shout into their watch that they need 911 and the GPS will route help to the scene. Health monitoring will become much more sophisticated. Women will enjoy going out without worrying about putting a phone in a pocket that doesn't exist. The heating and cooling of your car, office, and home will adjust to your body's temperature. Society will go cashless.
The biggest potential in smartwatches doesn't depend much on the screen interaction.