It turns out that people who multitask -- or rapid-fire-single-task -- less are better at firing the next arrow of attention at a new task.

And that is as it should be, because Death is very likely the single best invention of Life.

Housing still remains by far the most valuable single asset class, accounting for 56% of the country's net worth.

The top line, cash, is the single most important item on the balance sheet.

Now, underneath that, make a list of every single extra cost you have specifically because of your job.