Possible ideas to productively consume your time..

Start a business that makes a profit
Learn survival skills in the wild
Go travelling and use the survival skills
Volunteer to help underpriveledged people, or help overseas like japan etc
Learn instruments
Learn martial arts, especially self defence like krav maga
Learn to master NLP and hypnosis
Learn egyption heiroglyphs
Make an app for android/iphone/blackberry
Hack blackberry messenger and port it to android
Learn to write in arabic or hebrew
Learn to give tattoos
Make a painting. get a blank canvas and just go wild.
Contribute to wikipedia
Watch the film Rampage, and replicate
Get a killstreak 10x higher than what you currently have on black ops.. oops this isn;t productive but I'm playing it now!