Shopping
People crowd the first floor of a Macy's before the store's midnight opening that kicks off the "Black Friday" shopping weekend. - 

This final note, a sequel of sorts to our YouTube science videos story.

Just to completely dispel any notion you might have had that the internet is a force for good, Buzzfeed talked to the folks at YouTube about what are called "haul videos." Shoppers showing off what they've bought.

There are 800,000 haul videos on YouTube, which have more combined views than Gagnam Style, the South Korean music video which just passed 1.8 billion views. 

Follow Kai Ryssdal at @kairyssdal