Several years back, I just knew that the invention of the "phone finder button" on cordless phones would be one of the biggest boons to mankind.
I was right.
Now you can buy a wide assortment of beepers you can use to retrieve objects that are "hiding." The beepers are getting smaller and flatter.
I used to go berserk when, almost each day, my lovely wife would announce, "Honey, help me find my ______." Her announcement made me go berserk because of a conditioned Pavlovian-type response: It was paired with a sometime 40-minute quest to locate her keys, one of her address books, her computer memory stick, her favorite pen, her purse or her checkbook.
Berserk no more.