Hearing aid? Cochlear Implant? Roger Pen? What do you use (or not)?

We're working on developing new systems and devices to enhance communication

We want to know...

(1) What devices (ie. hearing aid/cochlear implant) or services (ie. CART/interpreter) you use (if you use one at all),
            (1.5) if you like it (or not) and why?

(2) Where, when and what do you need help with that these devices aren't doing?