Motorola and LG are prepping round-faced smart watches, and the industry's eyes are turning to see if Apple will follow suit. Analysts are wondering if a round device will make much of a difference with consumers. "Design is a critical ingredient to the success of smart watches, but design alone with not do it," said Carolina Milanesi of Kantar Worldpanel, a research firm. Also, Swatch appears to have done an about-face on its refusal to make smart watches, saying that it will build fitness functions into models next year.

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