Good to see someone being realistic. I'm pushing 40, and I see no logical reason why more than 20 years should be ahead of me. I'll be grateful for what I get, and try to fill it with good things. These bodies don't last forever.

What is proposed is that marketing email is not a good thing. If i want to buy a product, I will go to the seller. They do not come to me, unless they wish me to use a competitor.

I care a lot about IE when working as a web developer. Just not the current version. What I care about is testing my Javascript to be sure it works on the ancient IE versions which are still in use. The current version can be trusted to show the page just like any other browser.

It does not. It can make the bug easier to find, though. When you look at source code you can get an easy overview of the program flow. In a speeadsheet, code is divided between an arbitrary number of cells on an arbitarary number of sheets, and the flow is far less obvious.