Obsolete Occupations [Show as slideshow] [View with PicLens] As computers and automated systems increasingly take the jobs humans once held, entire professions are now extinct. Click through the gallery below to see examples of endangered professions, from milkman to telegrapher, and hear from people who once filled...

It’s hard to believe YouTube is only five years old. How ever did we procrastinate without videos of babies break-dancing and chumps wiping out on treadmills? Then again, it’s also remarkable that the video-sharing site has lasted this long: five minutes is a more typical Internet life span. But YouTube — the world’s third most visited website after Google and Facebook — shows no signs of slowing down. The site marked...