Windows/Mac/Linux (Firefox): Firefox extension TubeStop disables autoplay on YouTube videos and blocks obtrusive overlay advertisements. Deactivating autoplay will come in handy for anyone who's followed a YouTube link and accidentally blared a video through the workplace, while the incidental overlay ad "blocking" very quickly dispenses with a new feature that a lot of avid YouTube fans aren't happy with. TubeStop works by replacing the on-site YouTube player with the embedded player you'd see on another site (which currently doesn't host ads and doesn't autoplay). TubeStop is free to download, works wherever Firefox does.
Stop YouTube Ads with TubeStop
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The maximum number of face turns needed to solve the classic Rubik's cube is 20, and the maximum number of quarter turns is 26. It took 30 years to discover these numbers, which were finally proved by Tomas Rokicki and Morley Davidson using a mixture of mathematics and computer calculation. (The puzzle does have 43 quintillion possible configurations after all.) So how did the current world-record holder SeungBeom Cho manage to solve Rubik's cube in under five seconds? (4.59 seconds to be exact.)
Facebook is a great utility if you want to stay in touch with friends and family, share photos, and see what other people are up to in their lives. It’s free, of course, but that doesn’t mean it comes without a price. If you’re using Facebook, you’re giving the company a ton of information about yourself which it is selling to advertisers in one form or another.