[There is a distinguishes between] low-end disruption which targets customers who do not need the full performance valued by customers at the high en… - Clayton Christensen

We contest the conclusions of scholars such as Tushman and Anderson (1986), who have argued that incumbent firms are most threatened by attacking entrants when the innovation in question destroys, or does not build upon, the competence of the firm. We observe that established firms, though often at great cost, have led their industries in developing critical competence-destroying technologies, when the new technology was needed to meet existing customers’ demands.

It’s easier to hold to your principles 100% of the time than it is to hold to them 98% of the time.

I think [the Vista fiasco] will allow [Apple] to survive for a bit longer.