It's been more than a year since YouTube underwent a major redesign tweaking colors and layout, adding Google+ integration, and most importantly, adding channels you could subscribe to as easily as getting a season pass to a hit show on your DVR.
One year on, and the service is getting another upgrade. What's it all about this time? A subtle but important change in positioning video titles, as well as making that channel guide follow you around the site, suggesting shows you might like to subscribe to and videos you should be interested in based on your browsing history.
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"Just subscribe to your favorite channels and the Guide lets you know when there are new videos waiting for you to enjoy, suggests the latest and greatest channels you might like, and shows you what your friends are sharing across the web."
Lest that make it sound like an intrusive Microsoft Clippy-style pop up, we should point out that YouTube has done stirling design work by making the Guide a subtle greyed-out item in the top left of the screen. You won't be distracted by it; it'll just be there when you need to figure out what to watch next.
We don't know how many of YouTube's 800 million users are subscribed to channels. The company will only say that the number has "more than doubled" since last year's redesign which wouldn't be hard if the figure started out small. But its testing has shown that this year's redesign boosts subscriber numbers by another 30%.