Users generally want to control their slides manually while viewing in slide Show mode. This requires a control bar, which should meet the following requirements.

用户一般希望在Slide Show模式下进行查看的同时，手动控制幻灯片。

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Next month, the site will launch Houzz Lightbox, which automatically starts a slide-show mode for scrolling through photos faster.

WSJ: The Digital Solution: Professional Decorating Ideas in the Houzz