Thursday, January 20, 2011

iTunes downloads approaching 10 billion

The number of iTunes downloads continue to grow. Watch it live by clicking here.

Can you predict when this counter will hit 10 billion?

Have your students figure it out and post their predictions (below) before the end of school on Friday. We'll acknowledge the student(s) who comes closest.

Who knows they may even win the prize for downloading the 10,000,000,000th app!


  1. Isn't this better than doing your usual "do now" activity? :-)

  2. This is an awesome activity. I added the psychology question it raises to the Math Future wiki, under "Magnitude collapse":

  3. Thanks, Maria. You're encouraging me to keep writing. Thanks. :)