http://robshelsky.blogspot.com
This is fascinating stuff.
http://midnightinthedesert.com/rob-shelsky
http://mandelaeffect.com , https://mandelaeffectsite.wordpress.com
Just another interesting concept to ponder about the nature of reality.
http://knowyourmeme.com/memes/the-mandela-effect
http://www.strangerdimensions.com/2015/01/24/mandela-effect-proof-parallel-universes
While some of the things can be debunked, there are other things that are very peculiar.
http://www.debunkingmandelaeffects.com/mandela-effect-introduction
