2 ms·

Additionally "thin craze" matters - I remember having an old 15" laptop in the mid/late '00s that would actually give me backache after carrying it in my backpa

• majewsky 9y ago
  Interestingly, I cannot really tell if the notebook is in the backpack, but a water bottle with about the same total weight can totally be felt. Probably the very beneficial weight distribution of a flat slab that's affixed in an upright position directly against my back, vs. a cylindric bottle that's either moving around in the backpack, or stuck to its side and therefore exerting a sideways torque on my back.