This simple, risk-averse model is built on market niche differentiation that has resulted in accretive dividend yield.

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In fact, when pushed to identify women who have attempted the search fund model, leaders in the niche investment community are hard-pressed to name anyone other than Karen Moriarty, CEO of Carillon Assisted Living, the company she decided to start herself rather than acquire another through her search fund.

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Such a model could help video producers make money from niche audiences.

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But ZENN Chief Executive Ian Clifford admits that current electric cars are still a "niche product, " and that his company has sold just 350 of the current model.

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While they are different companies, Ning and Glam are similar in that they both target the media model of large broad portals such as Yahoo by instead providing vertical or niche businesses for a variety of interests.

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He spotted ADT during his operational review and was immediately intrigued by its business model, which he saw as a unique combination of technology and services in a critical niche: keeping people safe at home.

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Microsoft's Vexcel Imaging division hasn't exactly caused a whole lot of fanfare during its short time in existence, but it has managed to carved out a nice little niche for itself in the field of aerial cameras, and it's just kicked out its latest model in the form of the 92-megapixel UltraCamLp.

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The key metric will no doubt be whether the supported or incubated business model has legs, traction and adds value to the sustainable healthcare economy or is just one more niche market exploitation to enrich the investors, enable a quick exit but leave little to no sustainable ripple in the healthcare borg.

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