Some of my colleagues use these big green medicine balls - those that you find in the gym as well - and claim it forces them to sit upright when you are at the computer. I am actually fascinated by this issue as I have been readjusting my spine for a while - with great success actually. The future of computing and reading will be that it is all voice activated and you can do it standing or walking. I really look forward to that.
Zeitgeist
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