This might make sense to accountants, but it is not a very useful way for investors to value businesses.

FORBES: Innovation

It is going to be very useful.

BBC: New app launched to 'boost' Manx language revival

Getting involved in social action of some sort is also very useful, as it leads people to feel they are doing something on a larger level, Pearlman said.

CNN: Treating trauma victims may cause its own trauma

Mr. ANDREW FIRE (Scientist, Stanford University Medical School): Of course, you know, therapy in monkeys is very useful, but in people it's going to be another question.

NPR: Researchers Try Fighting Heart Disease Gene by Gene

Once you get used to it, the new stuff is extremely cool and very useful.

FORBES: Age of Context Draft Introduction

However, Obama and Congress still have an opportunity to do something very useful: Clean up the law so it is simpler and smarter.

FORBES: Congress May Not Rewrite the Tax Code in 2013, But They Can Make It Simpler

While the color offset is fine for viewing baby's play habits, it's not very useful when trying to identify the colors of a perpetrator's clothing to police.

ENGADGET: WiFi Baby 3G review, or: How we learned to stop worrying and love a surveillance camera