Apple has hired Musa Tariq, former social media chief of Nike and Burberry, 9to5Mac reports. Tariq’s new title is “Digital Marketing Director, Apple.” It’s noted that Tariq worked with Apple SVP of Retail and Online Stores Angela Ahrendts while at Burberry; it’s speculated that he will again work closely with Ahrendts as Apple looks to make changes in the retail realm. Tariq earned acclaim for his “Tweetwalk”…