Yes, water. Today is Blog Action Day and we’re talking about running water. If you’re reading this blog post, you’re on a computer, and you probably take water for granted. You turn the faucet.

So do I. It’s easy to forget. Three billion people live without running water within a kilometer of their homes. The things we take for granted.

I was just remembering. When I lived in Mexico City in the 1970s we had months at a time when we’d get water through the pipes of our middle-class apartment in two 2-hour shifts per day. A couple hours in the morning, a couple hours in the evening. We had small kids, diapers, and all that.

It was temporary. And it was grueling. And it was nothing, absolutely nothing, compared to the quarter of the world that doesn’t have running water at all.

Entrepreneurs: here’s a problem. Solve it. One village, one area, one project at a time.

Tim BerryTim Berry

Tim Berry is the founder and chairman of Palo Alto Software and Follow him on Twitter @Timberry.