And why you should get closer to your customer — At the end of June, Lululemon announced it intends to acquire Mirror, an at-home fitness startup for $500 million in cash. Roughly a year prior, Lululemon invested $1 million into the home fitness company. Lululemon clearly liked how Mirror’s operations looked from the inside. “Win, win, win, win, win…” — Jay Rock By acquiring Mirror, Lululemon scores several…