Of course, I love tools. I also love arranging them, to the point where I came up with a name for my organizing metric: first-order retrievability.
You're never going to get the amount of CO2 emitted to go down unless you deal with the one magic metric, which is CO2 per kilowatt-hour.
The real metric of success isn't the size of your bank account. It's the number of lives in whom you might be able to make a positive difference.
I'm not familiar with the metric system.
Most consumers don't have a good metric for deciding on whether the dictionary they want to use is a good one... so they flip the book over, then go to the back, and it says, 'Over 250,000 entries.' And they go, 'Great, this dictionary must be awesome!'