The most dangerous way to lose time is not to spend it having fun, but to spend it doing fake work.
Paul Graham - How to Lose Time and Money (please read his whole post on the topic - it’s potentially life-changing!)

Source: paulgraham.com

World’s First Meeting Cost Calculator Over the last few decades of regularly being in business meetings that drag on way past their shelf-life, I can see how this simple tool could have helped to save millions! see more pics » Office Clock - Time is Money!
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World’s First Meeting Cost Calculator

Over the last few decades of regularly being in business meetings that drag on way past their shelf-life, I can see how this simple tool could have helped to save millions!

see more pics » Office Clock - Time is Money!

Source: bringtim.com