The announcement of Google's self-driving bespoke car today – as portrayed in the internet giant's video, below – has put the whole subject in the media spotlight.

No doubt that Google has spent millions on the tech and has put self-driving in the mainstream media.

The reality, though, is that they're not the only ones: Nissan, Mercedes-Benz and Audi to name three have all promised to have self-drivers on the market before the decade's out.

Further reading: Volvo previews autonomous car test scheme.

Self-driving in cities has its attractions. Imagine a scene where you could read the paper or tackle the day's early e-mails as you're being electronically chauffeured to work.