Welcome to the hilarious and often deeply disturbing world of business viral videos
Think those stories about hysterical company bosses yelling motivational words across huge conference halls are made up? Missing the sharp tongue of the Apprentice's Katie Hopkins? Want to know how not to apply for a job on Wall Street? Or simply wondering which footage gets the best shot of Sir Richard Branson's grimace after that publicity stunt went wrong?

We bring you rapping accountants and Bernanke-bashing, boardroom sniping and a motivational song about a bank merger.

There's even some educational items among the chart in case the boss wants to know why your morning has been spent on YouTube.