Okay, but people are gigantic and heavy, and you have to feed them. Also, they usually have to breathe and go poop. They're like hundreds of thousands of grams,

Okay, but people are gigantic and heavy, and you have to feed them. Also, they usually have to breathe and go poop. They're like hundreds of thousands of grams, and then some, so 70M is less surprising. Sending a working cell phone into low earth orbit probably wouldn't approach those numbers, I don't think.