How do I know they recognize it? They sent out an email titled "Hundreds of FREE RPG Quickstarts, Maps, Adventures & more!". Many of the items linked? You guessed it - they are from previous years' Free RPG Day promotions.
I'm not complaining about the links. Free is free. I'm just surprised how little attention was paid to the PDF side of Free RPG Day this year, especially for the gamers outside the states.
Some of the grouped links sent by RPGNow:
The above links are free all of the time, not just for Free RPG Day.