I'll try - honest - but keep in mind the old saying - guests, like fish, begin to smell after three days.

BBC: Top ten Christmas health risks

You could smell a foul smell from it three metres away.

NEWYORKER: The Black Sites

Anosmia, an inability to smell, affects an estimated three million people in the UK and can be present from birth.

BBC: James Paget Hospital smell clinic 'victim of own success'

Alas, the omega-3 breaks down quickly, so that food and supplements containing it smell fishy in as little as three months.

FORBES: Magazine Article

By age 60, about half of people will experience a reduction in their ability to smell, and by age 80, about three-fourths will, Dr. Hirsch says.

WSJ: How to Sharpen Your Sense of Smell

Wearing a Darn Tough prototype for three straight weeks without a wash, "they basically smell like you've just grabbed them off the rack, " says Mr. Cabot, pointing to a multicolored ankle sock he was testing on a recent day.

WSJ: It Ain't Rocket Science, but Sock-Making Comes Close

The dog trainers were lovely, three soft-spoken girls who loved the dogs and the racket and the smell.

NEWYORKER: The Dog

Fisher has written seven books, including How To Smell A Rat, The Ten Roads To Riches, The Only Three Questions That Count, Super Stocks, The Wall Street Waltz and 100 Minds That Made The Market.

FORBES: Next Week's Guest: Ken Fisher

There is one upshot to podcast sharing, though: if you receive an audio podcast from a friend it won't be three-play DRMed the way shared songs are. (Say, do we smell some tracks-shared-as-podcast hacks coming on?) But there's a pretty big downside to podcast sharing, too.

ENGADGET: New Zune review (part 2): upgrade, hardware, software and Social