They may be merely additions to existing product lines (the first cigarette with a filter tip, for instance) or improvements to existing products (a new whiter-than-white washing powder).

它们也可能仅仅是在现有的产品上增加了一些东西(比如推出带有过滤嘴的香烟)，或者是对现有的产品做出改良(比如一种能把衣服洗的更白的洗衣粉)。

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They discovered innovations were handed off to traditional market category teams and included in existing product lines.

FORBES: Realizing Innovation's Full Value

If the Mac maker intends to move in this direction, investors must wonder when the existing product lines will be terminated.

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Since then, nothing too exciting has shown up at the event, with companies focusing on expanding and evolving their existing product lines.

ENGADGET: 's CES 2013 Preview: Audio