I don't feel positive about this.
A) it probably won't release outside America for ages
B) the more meaningful hardware options that are given, the harder it will be to update the software
C) following on from b) , it may not be a nexus device.
My guess would be for a solid offering where you can customise screen size and case colour. The phone won't be a nexus and will have a shed load of sensors to allow it to predict user behaviour.
A) it probably won't release outside America for ages
B) the more meaningful hardware options that are given, the harder it will be to update the software
C) following on from b) , it may not be a nexus device.
My guess would be for a solid offering where you can customise screen size and case colour. The phone won't be a nexus and will have a shed load of sensors to allow it to predict user behaviour.