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Hello and welcome to TechTent, your weekly guide to everything that's hot and happening in the

world of technology. I'm Rory Kathleen Jones, and this week we're focusing on the dark side of the web.

We'll look at attempts to shut down the notorious message board 8chan and debate whose responsibility

it should be to decide who's allowed on the web and who should be banned. We'll have all the latest

from the Black Hat

Cybersecurity Conference in Las Vegas. It's the week when anyone's sensible there, turns off

their laptop and hides under the bed as the world's top hackers gather to discuss the latest

exploits. And we've an amazing cast this week to discuss those stories. In Las Vegas and North

America technology reporter Dave Lee is at Black Hat. Dave, have you got out from under your bed?

I'm out from under it, but I may still be in it, but I'll live up to you to decide.

We'll work that out. And with me at TechTent HQ, fully awake is BBC Technology

Reporter Chris Fox. Hi, Chris. Hi, everyone. And we've got two very

...