An old printed computer manual, from the days when computer software was sold in boxes, and came with manuals.
This one is thick, and includes features like the equation editor and a macro language. I think this was pre-VBA.
Venmo doesn't charge a fee, keeping prices lower. It's also easier to use while chatting.
Why Coinbase? Because they will give you free money for watching videos! Read this blog post that explains it all.
Cool designs!