Prototyping
Two key innovations become reality. The first is an aluminum battery case that adheres magnetically to the back of the phone. “There was extra cost associated,” says Johnstone, “but it was certainly worth it.” The second is a multitasking-friendly function-flip button placed on the side of the phone next to the screen in “an ergonomically sensible place.” The button flips through open applications like pages in a magazine, letting you talk, chat, and text at the same time. “At about four months we get our first working phone,” says Johnstone, “and that’s exciting. We start sharing it around internally, letting users try it out. For us, this was a highlight because the response was so positive.”







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