In many parts of the world, though, I wouldn't say cars per se, but definitely public transportation. A lot of people can't afford cars in the world, and they still benefit from the invention of the internal combustion engine.
And your home feed would be a direct and unfiltered view of what all your friends posted
And it was a feature added later when they wanted to compete with Twitter. Prior to that, no home feed. Just profile pages, a la MySpace. And it was glorious! It was so much fun to leave wall messages to friends, and see whatever others have posted in them too.
When the newsfeed came about, I remember thinking "I don't like it. It's stupid!" mainly because I knew it was a reaction to Twitter. Of course, I got used to it eventually.
But yup. Facebook back then was a neat tool. Not the cesspool that's been for the past 10 years.
What the fuck are you on? This is not an Airbus engineering war room.
The title of the post is "What's an idea you have that should be an actual thing?" not "What's an idea you have that should be an actual thing and it must realistically be made possible"?
its* creator.