When you're in the business of optimizing ROI for companies like Hewlett Packard and the United States Postal Service, it only makes sense to have your own operations running at optimum efficiency.

Just ask Optimization Group, a marketing analytics firm that uses Web TimeSheet to track employee time, gain better visibility into projects costs, and generate more accurate project bids for its clients. It wasn't always that easy. Before using Web TimeSheet, Optimization Group was using Excel-based timesheets and collecting them from employees by hand and e-mail.

Check out how they made the transition to Web TimeSheet, and how it's helped the Michigan-based company.