In agile development, the idea of precise estimates is unrealistic. But estimates are needed to inform decision-makers about whether it's worth solving a problem as it is currently understood. It sounds counterintuitive, but instead of asking for one estimate of cost and schedule, ask for three. Here's why it's more useful.

Some people are happy with their jobs and know they want to keep them. Others are clear that they want to quit. What's difficult is when the decision to quit or stay is a tough one. The important thing in making that choice is to be sure you’ve examined the issue as objectively as you can from different viewpoints.

In times of crisis, we can find ways to accomplish things at work that come from sources having nothing to do with work—or at least work as we know it. All types of activities from all walks of life can offer advice about how to deal with stressful situations and stay productive. Here's how to keep cool under pressure.