IN THIS CHAPTER
Father (eating chocolate bar): What did you learn in school today?
Daughter (eyeing chocolate bar): Sha-a-a-a-ring.
—Chocolate bar commercial from the '70s
It used to be that applications operated in splendid isolation. For example, if you needed to write a memo, you'd fire up your word processor program and start hunting and pecking. If you then realized you needed a spreadsheet to complement the text, you'd shut down the word processor, load up your spreadsheet program, and start crunching numbers. The only tools you had at hand to connect these two documents ...