If you have ever bought a diamond ring, you probably know about the 4C’s of diamonds: cut, color, clarity, and carats.  

It’s also fine if you don’t. 

Maybe the size of the diamond was the main thing you cared about because, let’s face it, it’s the most obvious characteristic and you’re probably not going to carry around the certificate to show people the other more subtle values. Perhaps, however, you will place equal value on all four of the C’s because you want more sparkle in your diamond. All these subtle elements are measurable – even though they are difficult to see using the naked eye.  As a matter of fact, they are difficult if not impossible to see for professionals even when they are using a loop. This is why diamond sellers depend on certification. 

Unlike diamonds, productivity tools don’t come with a certificate; but wouldn’t it be great if they did! Imagine: ...