To help persuade customers into purchasing one of their new devices, HTC has created a Trade Up program that offers in upwards of $300 by trading in your old Android device for a new HTC one. While it's a cool idea in theory, these types of programs are always a landslide win for the company. Not only do you buy a new device from them, but you're basically selling them yours for a fraction of what it's really worth.
For example, my mint condition GSM Samsung Galaxy Nexus will only fetch $170 through this trade in program where I can easily get almost twice that. Either way, I'm sure this will appeal to some.
Hit up the source link for more information!
source: HTC Trade Up
They must be really desperate to stop their landslide into obscurity. I was just offered 265.00 for my 16gb Samsung Galaxy SIII. I paid 199.00 for it from Sprint.