The ruling could make trouble for companies such as Apple and Valve.
After Steve Jobs introduced the iPhone 4 last week, gadget trade-in site Gazelle reports 10,000 old iPhones being traded in the week following.
A controversial digital music service helps others resell their MP3s, but it's likely going to have to face the music from the record labels.
New and Noteworthy: Apple: Reselling iTunes songs 'impractical'; CDW to buy Micro Warehouse's North American assets; more
3D printing is proving to be a formidable battleground in enterprise hardware. A deal with MakerBot could already push Dell ahead of the rest.
As ICANN looks to expand the use of different domain extensions, GoDaddy looks to cash in even more on domain name reselling.
Two original props from classic dinosaur film franchise "Jurassic Park" are now for sale on eBay, including the velociraptor cage from the first film in 1993.
Terms of service warn users that their $1,500 high-tech specs will be deactivated if they try to resell or loan them to another person.
In this edition of Ask Maggie, CNET's Marguerite Reardon asked the trade-in site Gazelle to offer some data about which smartphones retain their values best over time.
Company will let developers use retail hardware for development, and it relents on a policy that required game makers to have a publisher to get onto the Xbox One.