NC headphones help but by themselves won't block out everything. Get some noise-cancelling headphones and play music - just don't play music you like. Find something you don't completely hate but that really doesn't float your boat. Something without vocals is preferable. You can grab all sorts of classical, big band, early jazz ensembles, etc. for free. It's not going to grab your attention and distract you like music you really like, but it will block out the sound around you. At least, that works for me. I use the trick for writing in public spaces.
Its the down side of living on a small planet with no frontiers left and a civilization with accelerating technology development.
Oh yes, the frontiers, where any persecuted white man could escape from his oppressive government and start killing natives.
The talk was completely off-topic and couldn't possibly improve the environment of the conference.
And, of course, that opinion is the only one that matters, so it's OK to lie and use whatever other cheap, underhanded methods you can use to impose your perspective on everyone else, right? "Rape trigger" is a convenient tool because it shuts down all further conversation.
A: "Rape trigger!"
B: "But I
A: "What, do you support rape? What kind of sleazy, disgusting asshole are you?"
B: (slinks away)
Aside from the "this is a hack?" issue, get a headboard and clamp the tablet holder to that.
Some people claim that the UNIX learning curve is steep, but at least you only have to climb it once.