Mobile app playbook: lessons learnedOur mobile app playbook series features tips on the tools and processes we’ve learned in building mobile apps. We know firsthand that it’s hard to build successful iOS and Android apps. We’ve built quite a few: the Twitter app itself, and also lots of apps and samples written from the ground up with no Twitter internal systems or tooling. And of course we’ve learned a lot about how our partners bu
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Square – Accept credit card payments with your mobile phone
