|Left Arrow Key||Back 10 seconds|
|Right Arrow Key||Forward 10 seconds|
|Shift + Left Arrow Key||Back 1 minute|
|Shift + Right Arrow Key||Forward 1 minute|
Why not for Streaming and Progressive?
Because Flash sucks. Also, there are no exposed methods for timeline control that I know of; the GB Engineers would have to implement them, which is something I can provide the AS3 code for if desired. This all means that this is only good for subscribers!
How do I know you won't steal my password or post cat pictures on my behalf?
You can look at the code in the Chrome extensions folder, I believe. I've also created a GitHub repository of the code, so you can take a look, or even contribute if you think you can make it better!
Perhaps I'm the only one, but sometimes my mind wanders and I miss what was going on (probably thinking about how I can implement this feature in a Chrome extension), so I like to skip back a few seconds and catch up on what just happened. Sometimes I miss the name of the game the dudes are talking about. Sometimes I miss weird little things like the guy disappearing in the Crysis 3 Quick Look. There are a number of reasons, and being able to just hit a button to quickly scrub back and forth through videos just makes them all that much more enjoyable for me!