In the limited fashion of the corporate world, cufflinks are the ultimate mood gaugers and prime real estate for sartorial self-expression.

WSJ: Off the Cuff Remarkable

But more recently, a real trend is emerging toward the use of data as a form of self expression.

FORBES: Your Data Is the New Black

They were serving themselves, using the tongs, learning manners, having conversation -- not with real sentences or anything -- (laughter) -- but all the expression that goes along with sitting at the table and having a glass of milk and passing the food.

WHITEHOUSE: First Lady Michelle Obama Unveils Lets Move! Child Care