" ...Now Apple is close to shipping its millionth iPod, and Sony doesn't even make a decent MP3 player. Of course, selling a million iPods in 20 months, while impressive, is not that huge a number when you realize that from 1979 to 1999 Sony managed to sell over 186 million Walkman cassette players, an average of over nine million a year..."

Yeah, that's true. And I, like many, used to carry my SONY walkman with pride. But what they forget to realize is that 50% of those sales were because they were replacements, not new innovations...