CNETHigh-end Gravity gym taps fitness tech for its CEO membersCNETOwned by UK-based Fitness First, Gravity offers a high-tech workout for high-flying executives, hence its eye-watering entry fee: S$3,000 ($2,140, £1,365 or AU$3,000) for starters, and a monthly membership fee of S$640 ($460, £290 or AU$600).và hơn thế nữa »