3173648944

>100.000

Sales of Encyclopsedia Britannica’s Bound Volumes

80.000

UNITS

67,300

In 1990 the company’s overall business peaked, with its door-to-door sales force selling morę than 100,000 units in the United States. A year later the sales model began to break down.

60.000

1993:

Microsoft

publishes

Encarta

1994: EB on the web and CD-ROM

2000: Learning portal for K-12 launched

40,000

20,000

3.002

1999: Free, ad-supported online encyclo-pedia launched

1996: Door-to-door sales force dismantled

2001:

Wikipedia

launched

4.321

1990

1995

2000

2005

2010