Why do we love memes? Why do we spend hours watching them and tell all our friends about them? What is the psychological basis for this strange Internet behavior?

A great thanks to the Internet for the clips used. Disclaimer: I do not hold copyright on any of the clips shown; they are permitted under Fair Use. This video is for educational use only.

Sources (in order of appearance):
In Search of Intro - youtube.com/watch?v=zK4PGCQQ4Oc
Welcome to Youtube by Bo Burnham - youtube.com/watch?v=W0quDfpfRUQ
Trololo - youtube.com/watch?v=i1EG-MKy4so
Charlie bit my finger - youtube.com/watch?v=_OBlgSz8sSM
Miss Teen South Carolina answers a question - youtube.com/watch?v=lj3iNxZ8Dww
Dorkiness Prevails by Lonelygirl15 - youtube.com/watch?v=-goXKtd6cPo
The power of vulnerability by Brené Brown - ted.com/talks/lang/en/brene_brown_on_vulnerability.html
Where the Hell is Matt 2008? - youtube.com/watch?v=zlfKdbWwruY
How Social Networks are like Carbon by Nicholas Christakis - youtube.com/watch?v=e4-W4p_Ppok
Never Gonna Give You Up by Rick Astley - youtube.com/watch?v=dQw4w9WgXcQ
How to Make a Splash in Social Media by Alexis Ohanian - ted.com/talks/lang/en/alexis_ohanian_how_to_make_a_splash_in_social_media.html
The Mysterious Ticking Noise by Potter Puppet Pals - youtube.com/watch?v=Tx1XIm6q4r4
Gangnam Style by PSY - youtube.com/watch?v=9bZkp7q19f0
Overly Attached Girlfriend JB Fanvideo - youtube.com/watch?v=Yh0AhrY9GjA
The Empathetic Civilization by Jeremy Rifkin (RSA Animate) - youtube.com/watch?v=l7AWnfFRc7g
Friday by Rebecca Black - youtube.com/watch?v=kfVsfOSbJY0
Saturday parody - youtube.com/watch?v=4Chelwb6Ja4
Monday parody - youtube.com/watch?v=hZg7EBxbqSE
Brock's Dub - youtube.com/watch?v=zzfQwXEqYaI
Why Videos Go Viral by Kevin Allocca - ted.com/talks/kevin_allocca_why_videos_go_viral.html?quote=1357
Re-examining the Remix by Lawrence Lessig - ted.com/talks/lang/en/lessig_nyed.html
Crazy Nastyass Honey Badger - youtube.com/watch?v=4r7wHMg5Yjg
Crush on Obama by Obama Girl - youtube.com/watch?v=wKsoXHYICqU
Nyan Cat - youtube.com/watch?v=QH2-TGUlwu4
Annoying Orange Nyan Cat - youtube.com/watch?v=0XrRwruU8DE
Real Life Nyan Cat - youtube.com/watch?v=82GvW2bm6Nc
Call Me Maybe - youtube.com/watch?v=fWNaR-rxAic
JB's Call Me Maybe Dance Video - youtube.com/watch?v=AsBsBU3vn6M
Harvard Baseball Team CMM - youtube.com/watch?v=eEWVwgDnuzE
Miami Dolphins CMM - youtube.com/watch?v=ZIkJFG5Zm6E
U.S. Marines CMM - youtube.com/watch?v=R2ySHSTEzjQ
Sesame Street Share It Maybe - youtube.com/watch?v=-qTIGg3I5y8
Questions by Jenna Marbles - youtube.com/watch?v=G66SEuaBlHY
Evolution of Dance - youtube.com/watch?v=dMH0bHeiRNg
Double Rainbow - youtube.com/watch?v=OQSNhk5ICTI
Leeroy Jenkins - youtube.com/watch?v=LkCNJRfSZBU
Achmed the Dead Terrorist by Jeff Dunham - youtube.com/watch?v=1uwOL4rB-go
A Very Potter Musical - youtube.com/watch?v=wmwM_AKeMCk
David after the Dentist - youtube.com/watch?v=txqiwrbYGrs

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