Startup lesson: focus on what functions, what your customers use, and your core competencies, not fixing things no body is using anyway. An example of a compan

Startup lesson: focus on what functions, what your customers use, and your core competencies, not fixing things no body is using anyway. An example of a company I think not following this advice: Pivotal Labs. Why are they not building premium options into Pivotal Tracker instead of building WebOS apps?