I had a few of these, home of 8 bit games ...

http://www.bbc.co.uk/news/technology-17776666

... it introduced colour "high resolution" graphics and sound.

Good grief! If Sinclair hadn't of blasted the Acorn BBC out of the water, can you imagine a world built off one of those clunky soulless things?! Am so glad he undercut everyone, I think my mom was especially pleased with the price point, compared to the BBC Micro and the future of gaming, the Commodor 64!

http://www.worldofspectrum.org/

Search the web for Spectrum Birthday and you'll see lots of non-IT websites talking about the birthday, it reveals how broad the Spectrums impact had to a few generations back then :-)

Thanks to Sir Clive Sinclair, Richard Altwasser, and Rick Dickinson!

Check out Google, they have an image just for the occassion!