Video platform Ooyala introduced a new feature to their service today, called Paywall.  With Paywall, Ooyala customers can easily turn on pay-per-view options for any of their videos.  For example, you can tease a viewer with the first 60 seconds of your video, but then a screen pops up asking them to pay to watch the rest. Paywall is integrated with PayPal for payment processing and can be used...