"We tried Agile and it didn't work?" Did you try the part where empowered, self-organising teams rapidly iterate production-quality software based on direct feedback from end users and continuously reflect on and improve how they work?
@jasongorman "We gave engineers lots of feedback, we kept telling them not to do anything until we'd made up our minds where every pixel needed to go".
@jasongorman (this to the API engineers, specifically)