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

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.

Impressive array of free technology related e-books here.

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.