If you own a smart phone or tablet you never need get lost again.

Both smart phones and tablets come with Global Positioning Systems (GPS) built in, a space age technology which provides information relevant to your location so long as there is an unobstructed line of site to four or more GPS satellites.

When you know your way around a personal computer you can get tasks done at lighting speeds. But speed can also be a curse if you're too quick to click when doing some fairly basic things.

Take downloading a different web browser for example. You might want a different one to the one that came already installed on your personal computer, or you might not have got a machine with one installed in the first place. Firefox used to be the alternative internet browser of choice for many millions of users but these days it's been superseded by Google Chrome or you might prefer Apple Safari.

There's been a bit of media coverage lately of drones. Until fairly recently these remote controlled aerial vehicles outfitted with cameras were out of the reach of most people. Only the military could afford them and their spy cameras came alongside weapons.

Manufacturers haven't included recovery DVDs with personal computers for years, but now more are now leaving out recovery software which will create them for you. Without a recovery disk, or a USB stick that does the same job, you'll be up for a large bill if your computer suffers a hard disk drive failure.

If you want to avoid internet nasties you will have retired your old Windows XP machine and replaced it with a Windows 8.1 model.

Microsoft has been warning for years that it was going to end support on April 8 and when it did the 12 year old operating system suddenly became more risky to use since new vulnerabilities discovered by hackers won't be patched.

Samsung has released another flagship smart phone in the form of the Galaxy S5.

It's bigger than its predecessors, and has a heart rate monitor, but its biggest feature is that it's running Google's Android operating system for smartphones and tablets.