This Steve Jobs' quote in the current issue of Fortune magazine (Most Admired Companies) exemplifies Michael Porter's idea that business strategy is as much about choosing what NOT to do as it is about determining what a company will do. Here is the quote:
"Apple is a $30 billion company, yet we've got less than 30 major products. I don't know if that's ever been done before. Certainly the great consumer electronics companies of the past had thousands of products. We tend to focus much more. People think focus means saying yes to the thing you've got to focus on. But that's not what it means at all. It means saying no to the hundred other good ideas that there are. You have to pick carefully (italics added). I'm actually as proud of many of the things we haven't done as the things we have done. The clearest example was when we were pressured for years to do a PDA, and I realized one day that 90% of the people who use a PDA only take information out of it on the road. They don't put information into it. Pretty soon cellphones are going to do that, so the PDA market's going to get reduced to a fraction of its current size, and it won't really be sustainable. So we decided not to get into it. If we had gotten into it, we wouldn't have had the resources to do the iPod. We probably wouldn't have seen it coming."