If people are passionate about your product, whether it's because they're hating or loving it, those are both good scenarios.
You have to have an emotional investment in what you're doing. If you don't love what you're doing, failure is pretty much guaranteed.
Embrace your constraints.
I've seen people twitter in haiku only.
People first. Technology second.
Twitter provides a great amount of timely information, but we still need those people to fill out the rest of the story and the context.