Before Mockups people used pen and paper, whiteboards, Visio, generic drawing tools or specialized wireframing tools.

FORBES: Italy's Balsamiq Pours Up New Wireframing Tools

Visio's popular technical drawing program feeds off the Windows operating system--each creating demand for upgrades of the other.

FORBES: Follow-Through

One respondent submitted a superbly thought-out 20-step process made up in Visio, a software tool for making schematics.

ECONOMIST: Monitor