Yeah, I've had no trouble dipping my toes in, trying things out, and then expanding beyond the simpler stuff to more advanced things. In a couple months my company has achieved some awesome results already, and we've been able to put together little fun promos like an Easter Egg Hunt that would have been much more complicated to do without (outsourced) back end support if we didn't have a tool like Optimizely to let us play around with our website.