The so-called "Exhibition Hall" - but it's online, not a physical hall. Free access on Friday 12th Nov 6 p.m. to 10 p.m. GMT. Link below.
fhf-reallyuseful.com
Tickets for the full show cost £10. I don't know a lot about it, so I don't know whether it's worth buying them, but must be worth having a look at the free stuff!