No. Wifi cameras bad. If someone wanted to break into your house without being spotted, WiFi is trivial to jam. If you want to set up security cameras, wired dome cameras are the only way to go. As to ...

You use your computer daily, although I bet you rarely, if ever, consider that someone could be spying on you through your built-in camera on a laptop or a standalone camera that connects via USB.

One of the big attractions of Fujifilm cameras is the company's Film Simulations that purport to mimic various film stocks.