Top tips
Very briefly, if you want to get somewhere in London and don't know the way, don't, whatever you do, conssult the Transport for London website Journey Planner. Ask someone who lives in the city. Or look at a map. Best of all, look at a map with someone who lives in the city.

The TfL gadget may have a clever little mind, but for all AI's progress, it hasn't yet developed common sense.

Sure, it'll tell you the most mathematically pleasing way there, according to certain criteria, but you can sure as hell tell it doesn't have to make the journey itself. Otherwise, why would it suggest a myriad routes that actually take twice as long as the quickest and most obvious? Ninety minutes and three changes between tube and bus to do a journey that takes half an hour max by tube alone? I rest my case.

Computers won't be taking over the world just yet. But just in case they ask for directions, let 'em work it out for themselves.

p.s. Hope you Americans are feeling suitably independent. When you grow up, you might realise what you missed out on. :)