Typical age-related memory loss and other changes compared to Alzheimer's

More from the Alzheimer's Association.
http://www.alz.org/alzheimers_disease_10_signs_of_alzheimers.asp
I use this one instead that I heard from someplace else.
Don't remember why you came to the refrigerator? That's normal, probably because you just walked through a doorway.
Don't remember what a refrigerator is for? That would be a major concern.

Signs of Alzheimer's	Typical age-related changes
Poor judgment and decision making	Making a bad decision once in a while
Inability to manage a budget	Missing a monthly payment
Losing track of the date or the season	Forgetting which day it is and remembering later
Difficulty having a conversation	Sometimes forgetting which word to use
Misplacing things and being unable to retrace steps to find them	Losing things from time to time