Making your product (or, service,)edgy is the only one key success factor. The rest will probably take care of itself. I personally think Seth Godin nails what all the marketing scholars have long missed to point out.
I mean the marketing scholars put the diffusion curve in a somewhat different context. They have been busy estimating /forecasting the curve of the bell shape, while the real challenge for marketer has been to generate the curve itself.
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