You don't need a uniform color: We used a mixture of brick red, browns and grays, and then threw in seashells, branches and various types of rock, so our walls ended up looking like cave paintings!
“I think then, when we started receiving the first of the user feedback, feedback from people that I had not specifically told about it, but had spread from friend to friend and then they were giving us feedback.”
“Perseverance is not a long race; it is many short races one after the other.”