On the contrary, it can be a lot more gratifying for a designer to be deeply involved in a product's design and make a long-term vision come to life. Gmail is n

On the contrary, it can be a lot more gratifying for a designer to be deeply involved in a product's design and make a long-term vision come to life. Gmail is not a good example since it's a fairly mature product, but I'm pretty sure a designer will never run out of things to do at most startups.