![A Shared Link’s Life Is Just 3.2 Hours [Headlines]](http://cdn.psfk.com/wp-content/uploads/2011/09/lifespan-of-a-link.jpg?fedaf9)
A Shared Link’s Life Is Just 3.2 Hours
When URLs are shared on social networks, they last around 3.2 hours on Facebook and 2.8 hours on Twitter, but those on YouTube persist more than twice that long. There, link half-life is 7.4 hour. Engadget
![A Shared Link’s Life Is Just 3.2 Hours [Headlines]](http://cdn.psfk.com/wp-content/uploads/2011/09/lifespan-of-a-link.jpg?fedaf9)
When URLs are shared on social networks, they last around 3.2 hours on Facebook and 2.8 hours on Twitter, but those on YouTube persist more than twice that long. There, link half-life is 7.4 hour. Engadget
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