Think about the tens (hundreds?) of millions of teenagers that already have an iPhone - now they'll be able to "chat" back-and-forward at school, home, etc. etc. extremely easily and fast.
I honestly don't think too many people will be using it to tell time, they'll be using it to chat back and forward in a fast, convenient way and to interact with apps they love - twitter, Facebook, etc.
When you go to a restaurant or bar, how many people put their phone on the table and glace at it constantly? All of those people would use an Apple Watch.
Remember, it's "chat" in the loosest sense of the word - it's more or less time wasting banter back and forward. It's not supposed to be productive or achieve anything, other than back and forth games.
that explains why they came up with that ability to send finger drawings back and forth so easily. You can use Siri to text. And since it dynamically extracts multiple choice buttons from questions with "or", replies are a simple touch.
I honestly don't think too many people will be using it to tell time, they'll be using it to chat back and forward in a fast, convenient way and to interact with apps they love - twitter, Facebook, etc.
When you go to a restaurant or bar, how many people put their phone on the table and glace at it constantly? All of those people would use an Apple Watch.