I expect this should be obvious, but it isn't. I have even RTFM. Is there a convenient menu to resize an image in Aperture as there is in Photoshop Elements? I find myself sending an image to Elements in order to do it.
The Blackmagic ATEM Mini is an amazing little switcher, but it doesn't get you to the internet — for that, you need a streaming solution. Enter the Epiphan Webcaster X2!