http://go.nasa.gov/HotTicket

Some useful features of Windows 10 you may not be aware of:

6 Underrated Windows 10 Features You Must Try

If you don't want WhatsApp to share information with Facebook contacts, you can disable this in your account settings (but you won't be able to opt back in again later). Just un-tick the box.

Very nice tool here for sharing a screenshot with someone online. No sign-up required, just paste into the page and it gives you a website address for your screenshot. Handy for remote troubleshooting etc. Check out Snaggy here.

Please be careful when updating software or browser plugins such as Skype, Flash Player and Java. When they prompt you to update, they sneakily try to install additional unwanted software or change your browser settings. You can prevent this by just un-ticking the boxes when prompted. See below examples where the boxes are ticked by default – you should un-tick all of these before proceeding.

Impressive array of free technology related e-books here.

Fascinating talk here from the brilliant TED site. How important is creativity in educating children? As important as literacy?

Clever and refreshingly simple - type some text and make a page, choose a prefix for the website address and claim it as yours, add a password if you want to make it private. www.jottit.com. Click here for a video tour.