Calendars are a model, not a specific realization. Facebook does it one way, Google another, and so forth. A lot of people have probably looked into social pla

Calendars are a model, not a specific realization. Facebook does it one way, Google another, and so forth. A lot of people have probably looked into social planning, but no one has done it very well so far. The execution is going to be all that matters with this, not the fluffy pitch about "social" and all that gunk.