74 Scalable Innovation
4. Mark Zuckerberg (Facebook) is to Bill Gates (Microsoft)
5. Brad Fitzpatrick (LiveJournal) is to Mark Zuckerberg
(Facebook)
Sketch out a two-level system diagram and explain your choice.
2. In 1984, Leonard Bosack (age 22) and Sandy Lerner (age 19), both
of Stanford University, founded Cisco Systems, now a multibillion-
dollar global technology company that sells networking and com-
munications products and services. Originally, the couple designed,
developed, and sold routers for local area networks (LANs). Their
primary buyers were universities and companies that wanted to
interconnect various workstation computers on campus. Universities
also used the routers to connect their networks to ARPANET, the
world ...