Elf Yourself may not have been the first campaign to let users upload a photo of themselves onto something sort of silly.

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The song has inspired thousands of people around the world to upload videos of themselves dancing along to the first 30 seconds of the track - up to 4, 000 a day are currently being put onto YouTube, according to the website.

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When one of my old middle school teachers discovered Facebook, one of the first things he did was to upload old photos of his prior students.

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Lookout, armed with a constantly refreshed data set from the tens of millions of its Android users who opt to upload new threat info, has been the first to spot many of those malware outbreaks.

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Facebook Camera is the free app that first made it possible for people to upload multiple photos to Facebook via iOS. Now, the main Facebook app also enables uploading multiple photos on Android or iOS, and images can be added to new or existing albums by selecting New or tapping a small album icon.

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Their IT group has seen an estimated 75 percent cost savings in the first year of the service, and developers are planning to further enhance the system with things like the ability to upload photos.

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