A couple observations.
1. Was asked for ID (first time in my life). Looks like there's an electronic sign off now. So I think this can dispell the "someone else voted for me" thing, at least in Cook Country anyway.
2. There are a lot of Democratic Judges running unopposed. I get that it's Cook, but if you want to win the game, you have to at least field a team. And judges tend to be, you know, important.
3. There was an older woman wearing a Trump shirt saying "Go Trump" as she left the polling station. Each state has different laws regarding this so I looked it up. Apparently Illinois has laws prohibiting campaign materials, signs, banners, and literature. But not apparel.
Influencing voters, soliciting votes, political persuasion are also prohibited. Seems like she broke that second law, but I wasn't persuaded regardless.
4. I was given the option of a paper ballot or an electronic one. The guy as he was searching for some tag identifier said he ran out of the electronic ones and had to go get some more tags. I said "Eh, just gimme the paper ballot, it's fine." So I filled it out old school. The lady fed them in the machine after I finished and it said the ballot was accepted.
All in all I was confident my ballot was cast and counted properly, and my district has in place the necessary requirements for a fair election process.