Like the semicolon, the colon joins in one
sentence ideas that might be treated in separate sentences, strengthening
the bond between these ideas. This works well for examples.
Other little things are being changed: Japanese car
makers used to paint the parts which most drivers never saw, such
as the fuel tank or the drive shafts.
Then, in 1981, IBM introduced the personal computer,
causing a market explosion from which emerged some of today's strongest
companies: Intel, Microsoft, Compaq.
When you call your bank, you're likely to face a similar
stinginess of options, but with luck they'll fit your needs: your
account balance, say, or determining whether a deposit has cleared.
Soon hundreds of people were skating in concentric
rings around the speakers every weekend afternoon: teen-agers in
spandex, 60-year-olds in hiking shorts, Wall Street traders, Broadway
dancers, Brooklyn detectives, German bankers, Brazilian nurses,
Nigerian vendors, celebrities like Morgan Freeman and Margaux Hemingway
bopping along next to bicycle messengers.
