On Valentine's day, we want to give a very special gift to our Solvers: Two beautiful problems.Submit your most appealing and difficult problems and ge (
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On LinkedIn a direct message basically costs $5 USD. This makes InMail (supposedly) much more efficient than E-Mail.Why? The fact that you pay for the (
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Twitter growth slows down while the average user follows more people but over 80% of the users still follow less than 100 people: http://bit.ly/6XJHJO (
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Sartre vs. Camus: the two big approaches in Marketing According to Jean-Paul Sartre, "Existence precedes essence", according to Albert C (
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This is somewhat connected to my earlier post about naming and linking. But I want to make a different point about the use of ordinary expressions (
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Everyone who designs websites or theorizes the internet should think about linking at some point. My main subject here is transparency. &nbs (
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Some of the first problems on hypios came from…hypios. You will also notice that these problems constituted a sizeable investment. Why are (
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