Almost every YouTube video has automatic captions. This sounds great for accessibility, but that’s only in theory. In reality, the quality of those captions is almost comically poor:
“An overview of PubSubHubbub, a simple, open, web-hook-based pubsub protocol & open source reference implementation. Brett Slatkin and Brad Fitzpatrick demonstrate what PubSubHubbub is and how it works. For more information, visit pubsubhubbub.googlecode.com” –The Google Code Channel on Youtube.