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The viral video that spawned a thousand sequels racked up nearly 2.5 million views on YouTube in the first 24 hours. It became even more buzzworthy when it was revealed to be a viral marketing stunt featuring actors and models -- people experienced in the art of kissing strangers and making it look good.

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This unforgettable video by the UK arm of Save The Children gives the "one second in a day" video trope a terrifying twist. It depicts a young British girl whose life transforms from family gatherings and innocent playtime to a harrowing struggle to survive. The message of the video: "Just because it isn't happening here, doesn't mean it isn't happening."

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CoorDown, an Italian advocacy group for children with Down syndrome, released this touching video in honor of World Down Syndrome Day, in which 15 children comfort a mom-to-be who learns her child will have Down syndrome.

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When a reporter questioned the veracity of Pepsi's original test drive stunt, the brand -- and NASCAR racer Jeff Gordon -- decided to put him in his place.

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Samsung fans were clearly raring for a first look at the new Galaxy S5, as evidenced by the 3.1 million YouTube views this hands-on demo received...

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...not to mention the 23 million views racked up by the official product introduction.

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There's more to Ireland than St. Patrick's Day. That's the message behind "Ireland Inspires," a tourism video created by the Department of Foreign Affairs and Trade of Ireland and Fáilte Ireland, which showcases the nation's countryside, history and industry, set to an Irish folk artist's cover of "Higher Love."

Shares: 214,089

This video for Chanel's Coco Mademoiselle fragrance stars Keira Knightley as an elusive, fashionable woman who turns men's heads and knocks them out.

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This music video spoof by German supermarket chain Edeka is, um, creative. We'll give it that.

Shares: 131,471

Condom manufacturer Durex celebrated Earth Day by reminding tech lovers to turn off their gadgets and snuggle up to their significant others instead.