But we've never done a similar project before. We're pretty good at estimating how long it takes to build websites now, because we've done it so many times befo

But we've never done a similar project before. We're pretty good at estimating how long it takes to build websites now, because we've done it so many times before. We're not good at estimating ground-up builds of entirely new mobile products, because we've never done that before. We were guilty of being overly optimistic for sure. When you're doing something new, you just have to be really really pessimistic.