How clean is your Internet surfing? We're not talking about porn here – we're talking about where the energy comes from to power the websites that you visit. Greenpeace has just released a report singling out those companies that use dirty energy to power their immense server farms, and praising those who are switching to green energy. So, who comes out on top?

What do you do with your old phones? A new concept being launched in the US will let people sell their old, outdated equipment - to a machine.

Are you sure you know where all the stuff inside that new toy in your stocking comes from? People understand the concept of blood diamonds, but what about blood gold, tin and tungsten? If human activist groups are right, people are dying so that we can enjoy our smartphones and tablet computers.

Trying to save money on your electricity bill? You might want to unplug your cable box/PVR.

There’s been a plethora of reports saying the typewriter is about as dead as the horse-drawn carriage. But questions are being raised about whether the typing machine is really gone for good.

Whenever Earth Hour rolls around, we hear all about flicking off the lights, unplugging appliances and shutting down our computers to save electricity. Now, a Toronto woman was us to get off Facebook as well.

To be clear, reggae legend Bob Marley has not been brought back to life at the Consumer Electronics Show. But his music and ideals have certainly been turning heads.

Getting seen is a struggle for many exhibitors drowned out by the latest 3D TVs and tablets here at the show. Some resort to celebrity appearances, scantily-clad models and even a bogus Lady Gaga seen yesterday, so imagine how shocked I was to come across a wooden shack off to the side blasting Bob Marley jams. I was intrigued.

One of the biggest problems when it comes to travelling with electronic devices is battery life. Even with modern battery technology, you are eventually going to run out of juice. However, Samsonite will soon be launching a carrying case complete with a built in solar panel. The company just announced that it is using a lightweight solar module -- the same kind used for military applications -- for its carrier bag.