Would I use an online mirror if it was built into a webpage? Ohh, I said. That's a little weird, made me think about the first mirrors, and how many people were afraid to look in them... Oooh, why is that freaky? If you understand the ramifications of looking in a mirror onscreen it's a freaky idea. Then God showed me my webcam. Yes, but that works fine for me, how could everybody see themselves? Build a software camera...hmmm..big job that one...if I built it would anyone look at it? God said leave that one there...
If you would actually succeed in building a camera only with software, that would be very very interesting. But I highly doubt that.