The monday after black friday is apparently "web monday" or some other gimmicky sounding term.

I'm of the opinion that shopping on Black Friday is so popular merely because of the hype.

Black Monday perhaps? The whole key to the word "black" is that it marks the day when retail stores get out of the red and into the black - so you see, the word black has to be a part of it some way or another

Its actually called "cyber monday": http://en.wikipedia.org/wiki/Cyber_Monday

Well, its kind of ironic since black followed by a day usually refers to something bad happening ( http://en.wikipedia.org/wiki/Black_friday )

here are some more days:

http://en.wikipedia.org/wiki/Black_Monday
http://en.wikipedia.org/wiki/Black_Tuesday
http://en.wikipedia.org/wiki/Black_Wednesday
http://en.wikipedia.org/wiki/Black_Thursday

Although anyone can edit wikipedia so maybe they're a bunch of hoax articles

Well, "Black Friday" was an above average day for me. The next Monday, Dec. 5th, however, was the best day EVER, revenues up more then 100%! (although that might have been the day I was mentioned in a very popular blog, I don't remeber).

The rest of the month was pretty mediocre, and actually almost dead from Dec. 15- Jan 3.

I think, in general, web advertising is very unpredictable. It's possible that one day nobody will click on anything and then next day some guy comes along and clicks on a "mesotheloma" ad on your site. lol. Then you try to make sense of that happened.

I'm going to add that cyber monday might refer to dollars spent shopping online, not ad revenue.

Well, in theory (and probably in practice as well) it would translate to more ad revenue - more people willing to buy things online, therefore more likely to click on the ads. Not to mention the fact that retailers will raise their payout per click.

I did not notice much of a drop over that period at all.

I guess it all depends on your site topic?
My site kind of lends itself to the holidays as I sell products that people buy for people for Christmas/Birthdays

Black Monday really refers to ecommerce related sites ... online purchases for the holidays. Doesn't really apply to content sites that generate revenue via advertising ... unless you're a site who sells advertising to ecommerce sites, in which case many of them might splurge on ad campaigns.