In 1972, Gates and fellow student Paul Allen founded Traf-O-Data, a company that designed and built computerized car-counting machines for Traffic analysis.

• 1972年，盖茨和同学保罗，阿伦一起创办了Traf-0-Dina公司，设计和制造专门用于交通分析的电脑化汽车计数器。