Holy crap... I always thought I was literally seeing some kind of huge (still tiny in terms of my field of vision, but huge considering there's no microscope involved) amoeba or something like that. I had heard of people talking about floaters before, but every time I heard them described I thought it would be some kind of opaque spot or object floating through my vision. Now I know.
I see them maybe once or twice a month, rarely two at a time. There's a history of eye conditions on both sides of my family, and luckily my last eye exam (~2 weeks ago) came back excellent. Unfortunately I told the doctor that I didn't see floaters, since I had no idea what they are.
Now I'm a little freaked. I'm sure it's probably normal, but I wish I had at least mentioned it to them. Would help if I had known what they are.
See! ATOT is actually good for advice! ...kinda.