You’ve done it: flight, rental car and hotel booked, $1,700 Gold Badge purchased. You are about to attend the most diversified festival in the country — SXSW. Now it’s time to pack. What does one take to this event featuring A-list celebs, billion dollar corporations and the CEOs of the next big thing? Here’s what we brought to stay connected, light on our feet and ready to make a strong first impression for all those meet-and-greet networking sessions (not to mention the VIP parties).