I think every relationship has a point where you stop and reevaluate. Are you happy? Have you grown together or apart? What do you share interests in? I think that's a normal thing to do but it's so much harder when it's done publicly.
With our work at Kazaa we began seeing growing broadband connections and more powerful computers and more streaming multimedia and we saw that the traditional way of communicating by phone no longer made a lot of sense.