Portuguese mobile operator TMN , has recently started accepting submissions from programmers who wish to sell their software for Windows Mobile devices directly to TMN customers via their tmn AppStore . With no submission fee, anyone can create an application...
According to EngadgetMobile, Sprint has released a service for hearing impaired persons, that I think could also be useful to everyone. Its called WebCapTel service and seems to be quite easy to use. More info on this thread over at EngadgetMobile .