Weapons like the Bushmaster mimic the appearance and some features of fully automatic military rifles, though they technically do not meet the definition of an assault weapon because they are semi-automatic -- meaning each shot requires a trigger pull.

CNN: Gun focus shifts from ban to checks and trafficking

Wireless connectivity and downloadable apps will likely lead the pack when it comes to brand-new features, and while Android may make an appearance in another compact or two, it won't be the star of the show.

ENGADGET: 's CES 2013 Preview: Digital Cameras

The B-1B has some stealth features: A smooth design and the use of radar-absorbing materials gave it an appearance on radar that is said to be only 1% of that of the older B-52 bomber, even though it is only a little shorter - at 146 feet (44.5 metres) - and weighs almost the same.

BBC: Profile: B-1 bomber