This trick will allow to make fun of another, slowing down the YouTube-video on his computer

With Chrome extensions can be made so that the reproduction speed of the rollers daily decreased 1% - up to 70%.

Designed by Stephen Daunuordom (Stephen Downward) extension - a great way to bring people out of himself: he will long to guess what was going on with his computer. Changing the playback speed on YouTube does not help - the expansion priority over service settings. Moreover, the trick applies to all PCs on which the entrance to the Chrome configured to the same account.

To make a prank, go to extension page on GitHub with your target computer, locate the file list chrome-engine-packed.crx and click on it. On the next page, click on the button to the right of the Raw file name to download it.

Then open a new tab, type in the address bar chrome: // extensions and press Enter. Drag the downloaded file to a page to install it. Panel Extension Chrome logo appears - it is desirable to hide it by right-clicking and selecting "Do not show in the Google Chrome menu."

That's all. If you suddenly decide to take pity on the poor guy, you can just go to the Extensions page and uninstall the add-in called Chrome Engine.