This document discusses the opportunities for mobile health (mHealth) technologies among senior citizens. It notes that seniors over 50 own 80% of wealth in developed nations and that most carrier profits come from customers who don't upgrade plans. While disruptive technologies could enable new services and revenue streams, maintaining familiar plans and devices may be preferable. The document outlines one company's mHealth service that provides automated emergency response for seniors and estimates it could generate $48,000 in maximum monthly revenue while saving on emergency call costs.