The exit of one small country from the euro opens a fissure in the eurozone structure that makes contagion the only rule of the day.

CNN: Does Spain deserve its financial battering?

The very, very early review makes clear that cost-cutting is the rule of the day: a 2010-era Snapdragon chip, 512MB of RAM and a fairly low-grade 4-inch LCD don't afford much in the way of bragging rights.

ENGADGET: Sony Xperia J gets a pre-unveiling hands-on, suggests we'll get exactly what we pay for

We will, however, see a lessening of the rigidity of the rule of thumb that zero inventory makes the best business sense.

FORBES: Supply Chain Lessons From Japan

That makes sense, of course, since the rule is that the donation should not be a quid pro quo for services or goods.

FORBES: Run With It: Sports, Races and Taxes

People have a lot of trouble meeting the real estate trade or business exception to the rule that makes real estate rental per se passive.

FORBES: Even Real Estate Salesman Has Trouble With Passive Loss Exception