OK. Here's what I want to see, if anyone sees fit to build it:
Central access hub: allows configured devices to connect to each other and to the wireless network/ cell network/ internet (This would be dedicated for access to the particular network, be it AT&T, Verizon, Sprint, T-mobile, or your home network. Being at home switches to your home network for saving minutes and data transfer charges) Small, about 2" square kept in your pocket, purse, or clipped to the belt. Upgrades in network speed would be much more easily and cheaply obtained. Has one small readout to show battery level, network status, and configuration status. Wireless charging would be a plus
Ear phone: independent ear phone for making calls on personal network (Maybe we'll even get this kind of thing surgically implanted some day.) FOR THE LOVE OF GOD, MAKE THIS THING WORK BETTER THAN BLUETOOTH! Wireless charging would be a plus.
Controller smartpad: a simple pad with small screen (3.5-4.5") for phone control, contacts management, programs, etc, like a smart phone, but without the actual phone function and network agnostic. phone features are sent to the ear phone. Readily upgradable for new features that come out. Easily held in the hand for operating the phone pad for touch tone menus or IM, etc
Tablet: just like today's tablets, but they connect through the central controller hub, easily upgraded, no need for having multiple wireless accounts.
Car interface: have the car stereo interface with this personal network for easy access. Perhaps even have a security feature where the car won't run without the presence of the controller hub, for those of us who don't allow other people to borrow their car.
Main computer interface: have an easy way to import contacts, music, movies, etc, from the computer just with a drag and drop. also, have the computer lock when the central controller hub is not close by for a security measure.
Other small device additions: cameras could be connected to the CCH to send pictures directly over the internet while using an internal buffering system, a small vibrating buzzer could be used for hearing impaired users or those who work in loud environments, fingertip readers could be worn by visually impaired users, other devices for either input or output from the personal contact system
I know, Bluetooth was supposed to handle many things like this, but it simply falls flat. I've had horrible experiences with Bluetooth. I just want it to die at this point and be replaced with something that actually works, and has many of these features. a central controller hub would allow for much more flexibility for devices, and a much more centralized way of working with things. Upgrades would be easier. Security would be easier, and safer if done right.