http://news.bbc.co.uk/2/hi/technology/3939273.stm

"If all you think of yourself as doing is basic word processing or basic database, then at some point you saturate the customers out there and simply aren't charging forward achieving new growth," Mr Gates said.

"In fact, your sales don't even maintain their current level because all you're getting is the maintenance from that base," he said.

*** end of quote ***

Does it look we are saturated? :)