Imho the moral with Adobe/Acrobat and other such cases (eg. Microsoft/IE) is that when a company starts piling up features on their winning horse to take over _

Imho the moral with Adobe/Acrobat and other such cases (eg. Microsoft/IE) is that when a company starts piling up features on their winning horse to take over _other_ fields, they may very well win that battle, but in the long run they'll have such a bloated messy piece of software that they will lose the war.