Folks with older mobile phones, rejoice: a company by the name of Input Dynamics is aiming to bring your phone technologically forward with the TouchDevice. TouchDevice is a software that turns any regular phone into a touchscreen phone.
The TouchDevice uses the sound generated by tapping onto your cell phone to send signals to the phone. There are no expensive add-ons to buy; the software can be downloaded onto existing phones or built into new ones. I am excited about the TouchDevice. I don't have a touchscreen phone, but I may have one soon thanks to Input Dynamics.