There's a common belief among motorcyclists that having loud exhausts help alert other car drivers of their presence, making them more visible on the roads. There are various arguments in favor and against that notion, but if it's getting you to notice them I guess it is better than nothing.
I'm imagining a product owner and a bunch other stake holders sitting in a meeting room adding a bunch of keywords to each emoji. Or just copying a list from somewhere on the Internet and filtering it (my bet would be on this).
You seem to be making the assumption that English is as popular and widely used as C. I would like to remind you that it is only the case in western parts of the world, which is by far, not the majority.
In an Agile context at least, it means test out ideas and reiterate quickly. Breaking does not necessarily mean breaking existing things in a visible way.
Is there any way to keep WhatsApp and Facebook separate? It seems that either a) I use WhatsApp and have Facebook collect my data, or b) don't use WhatsApp.
There seems to be a complete lack of choice with what they do with my data.