YouTube’s Topics Experiment In 2010, YouTube started to test a
feature that associated videos with topics. At that time, the
experiment tried to improve search results pages by allowing you
to find related videos. There’s also an experiment that shows
the topic of a video next to the channel’s name and lets you
subscribe to the topic. The topic is an automatically generated
channel. “We use many different sources to find these topics,
including frequently used uploader keywords, common search
queries, playlist names, and even sources outside of YouTube
such as Wikipedia articles,” explains YouTube’s blog. Here’s how
you can enable this experiment. If you use Chrome, Firefox,
Safari, Opera or Internet Explorer 8+, open youtube.com in a new
tab, load: * Firefox’s Web Console (Ctrl+Shift+K) * Safari’s Web
Inspector (how to do that?) * Opera Dragonfly (press
Ctrl+Shift+I and select the “console” tab) * IE’s Developer
Tools (press F12 and select the “console” tab) and paste the
following code: document.cookie="VIS