Hewlett-Packard on Wednesday announced the OfficeJet 150 Mobile All-in-One portable printer, which the company called the world's first mobile multifunction device that can "print, copy and scan on the go."

Samsung Electronics and Qualcomm have joined forces and formed the Alliance for Wireless Power (A4WP) which aims to accelerate the development of wireless charging, the companies said Monday.

Sony said Monday it will sell a projector that displays and saves notes scribbled onto the images it projects.

Working in tech support is a bit like teaching preschool: You're an educator who provides reassurance in troubling times. You share knowledge and help others overcome their obstacles. And some days, it feels like all you hear is screaming, crying, and incoherent babble.

Hewlett-Packard has announced the merger of its Imaging and Printing Group (IPG) and its Personal Systems Group (PSG) in what it called an effort to drive profitable growth for the entire company, but analysts questioned whether the reorganization will cut costs significantly.

The space required to store paper documents can be a problem. Digitizing your documents renders them exquisitely portable--you can store an entire library on your e-book reader with ease. And because paper documents can be turned into editable computer documents, they become searchable. Compare typing "Roosevelt" in a search field with spending all day scanning microfiche and old newspapers by eye to research the Square Deal or the New Deal. The digital document is a boon to researchers the world over.

Today the digital camera is ubiquitous, but photos used to be taken by momentarily exposing something called "film" to light. Yes, film--the ode to photo-sensitive chemical reactions that produced all of the pictures made before 1990 or so. Those images were, and quite of­­ten still are, transferred to photo paper and pasted into coffee table al­­bums. Sometimes they were processed into transparent 35mm slides and projected onto white screens for everyone's en­­joyment (or boredom, depending).

As I wrote the other day, it's a pretty simple matter to add a second monitor to your PC. But what about a third? That might require a little more doing.

Several keys on reader skyDX's keyboard stopped functioning. He asked the Desktops forum for help.

Happy Clean-Your-Keyboard Day! Okay, I made that up, but think about it: when was the last time you did anything with your keyboard besides drop cookie crumbs on it?

A German retailer has prematurely posted (and very quickly taken down) details and product shots of the upcoming Microsoft Arc Touch mouse. The Microsoft peripheral is innovative more in its form than its function, but along with the Apple Magic Trackpad it hints at a future where the mouse may no longer have a role.