Security cameras use MJPEG (Motion JPEG), which works quite similarly to animated GIFs. They're very easy to find as most vendors have a URL pattern. For examp

Security cameras use MJPEG (Motion JPEG), which works quite similarly to animated GIFs. They're very easy to find as most vendors have a URL pattern. For example, here're a bunch of public security cameras made by Axis: https://www.google.com/#output=search&q=inurl:axis-cgi%2Fmjpg%2Fvideo.cgi&oq=inurl:axis-cgi%2Fmjpg%2Fvideo.cgi https://www.google.com/#output=search&q=inurl:axis-cgi%2...