[9] The company Autonomy etalk planned to move its employees to the Chase Tower from Las Colinas, Irving in 2008.Lighting and furniture upgrades were included along with a remodel of the existing sundries shop and Starbucks coffee kiosk.The rotunda which sits on the property's north plaza was remodeled as a fitness center exclusive to Chase Tower tenants.It includes cardio, free weight and circuit training equipment as well as a studio center for group fitness and spinning class workouts.The 40th floor Sky Lobby at the base of the "keyhole" contained a little-known observation area which is no longer available to the public.