imho: Too Much Long Tail . . .
It's the short fat part of the tail that matters. Yet I meet so many companies that miss significant opportunities.
So many startups have business plans that predict riches can be found in the long tail of commerce. Yet their first target should be the fat, high margin sector of any commercial market. You can always slide down the value chain over time and monetize the long tail.
Which is why you should be wary of companies that are focused on the long tail first rather than later.