If I remember correctly, they can be anonymous. If that’s the case, they wouldn’t really be easily taxable. Still, we are talking about the government here, and if they tax lottery winnings, I would bet they tax rewards.

Those water flavor squirts, mio or crystal light type stuff. I’ll drink plain water over just about everything else (egg nog is the weakness and exception right now…), but the various lemonades or fruit flavors are always nice to have around. I wouldn’t be surprised if something in their composition is not good for you.

A slightly more titillating answer would be lube. You’re putting something on a mucous membrane, and it’s almost guaranteed that some will be absorbed or ingested.

The one word at a time thing is a way to demand more of your attention. It’s just a side path of the old advertising stick where words would ‘pop’ in weird ways. See this video for an example.