What I should be doing, of course, is buying a digital copy of the movie or bringing the DVD that I paid for with me to play on a portable player or laptop, both of which sound not so fun.

ENGADGET: This is the Modem World: It's my movie

Take care if you happen to travel through downtown San Francisco this week: The sidewalks are full of people walking with their heads down, eyes locked on their smart phone, Nintendo DS or Sony PlayStation Portable, deeply engrossed in a video game and not necessarily watching where they are going.

FORBES: Game On At GDC

Designed for both form and function, photo printing is now as portable as photo taking: ZINK Technology does not require messy ribbons, toner or inkjet cartridges.

ENGADGET: Polaroid releases Z340 Instant Digital Camera, Gaga's Grey Label snapper still on the edge of glory

For example, a consumer shopping for an Apple iPod might just be thinking of it as a portable device, not realizing it can also be used with a car stereo or for movies.

FORBES: Teaching the Teachers

As phones and tablets merge, manufacturers must find that sweet spot between a device that's easily portable and one with a screen big enough not to cause eyestrain after an hour or two.

CNN: Do people really want a smaller iPad?

Concerns exist over the application of solar energy in portable devices such as cell phones, which are typically stored in pockets or purses and therefore are not constantly exposed to light.

FORBES: iPhone 2.0: Solar-Powered Mobility

You may not see Capri embedded on the PCB of your portable gadget anytime soon -- at least, not until PrimeSense winds up wooing the pants off a lucky OEM or two -- so in the meantime, the company has connected the sensor board to the Nexus 10 via micro-USB.

ENGADGET