What is the best way to transfer files between personal computers, tablets and smartphones?
Not so many years ago the answer would have been copying them to a USB stick to carry around in your bag or pocket, or even to email copies of the file between the various devices that you want to view it on.
But there are problems with both of these solutions.
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.
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.