Ten Needed Inventions

Here we are living in the early twenty first century.Forty years ago we imagined by now that we would have all kinds of modern innovations like flying cars, automated everything in our homes and robots, and be working only four days a week.
They were our futuristic notions of what the 21st century would be like.
We were wrong.
Here is my list of ten need inventions for the 21st century - and why.