PAYG instead of contracts costing far more than your actual use...

And physical ease of use of its voice-telephony facility, including ability to return messages and ring-back unanswered calls. I believe such novel applications are in there there somewhere, but I don't believe it!

I want the chip in my head so I can connect to my phone and everything in it mentally. ;)

Is “low price” a feature? Like a REAL low price and not just having the cost added to your monthly bill?

sw as a default app

How about actual privacy. I know, crazy to want something like that. 😌