This week's penguin: Natural selection for music: when the new lyrics are ear-wormier than the original.

This week's penguin: If you don't get it, you're not old enough yet.

This week's penguin: The app gets the royalties, though.

This week's penguin: Birth of a labor movement.

This week's penguin: That's not an amuse-bec, it'€™s the entree.

This week's penguin: It's not even a big red button.

This week's penguin: The industrial strength version.

This week's penguin: But the Old Farts' Coffee Club would like to speak with you.

This week's penguin: Practice makes better (and sometimes a free lunch.)

This week's penguin: All apps will be reduced to one button, that does everything, randomly.

This week's penguin: How to succeed by failing.

This week's penguin: And there’s some assembly required.

This week's penguin: If you can't print edibles, what's the point?