Hacker News Reader

This is doable, but painful if you want to support more devices and slow network connections.

Then you would capture that and do OCR on it

Trying to hide from OCR systems is futile anyway. OK, it might make the OCR implementation a bit more complex and less out-of-the-box, but with current technologies anything that's clearly readable will be clearly OCRable, and messing up OCR to a serious error rate would require you to totally hurt your human users by presenting everything in the worst CAPTCHA styles imaginable, where humans would often get confused as well.