If your wrist or forearm aches every time you use your computer, the chances are good that you’d benefit from using a vertical mouse, like the Logitech Lift wireless mouse . This ergonomically-friendly device has been marked down to its cheapest-ever price today at Amazon , where it’s selling for $49.99 (originally $79.99) in black or white — rose pink is still $67.99, unfortunately. This model has previously sold for around $60, but not since March, according to pricing data pulled from