The video was found through a great joint effort in the unfiction.com chat room (please note that I had nothing to do with this effort and am simply quoting this):

Following Rachel’s link to 43things.com, we quickly found a user named RBlake, who had 43 goals:

www.43things.com/person/RBlake

It was noticed that goals 4 8 15 16 23 and 42 all contain just one word:

truth safe reckon copenhagen alvar sumo

Also, goal 43 is “Have a refreshing beverage”

This led us to sublymonal.com, where we entered “truth safe reckon copenhagen alvar sumo”

This silenced sublymonal and opened up a second login box

DanteIL noticed that at the end of her blog conversation with Mel0drama, Rachel said: “Me: Cool. Gotta go. I’ve got 43 things to do to stop their “better tomorrow”“

Entering “better tomorrow” takes us to

www.sublymonal.com/_hidden/