[retube]

But it's not exactly low level though. I mean, any web developer is surely constantly exposed to this in their day-2-day work - e.g just from using HttpFox. How can you build a web site and not know how a session is managed over HTTP?

[redthrowaway]

Joomla. I have a photographer friend who makes websites on the side and she doesn't have a clue how any of it works under the hood.