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#432075
講者：Speaker:
Say we could avoid the touch screen, and we just stop at BlackBerry. Do we use social media in better ways?
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可引用的發言段落Citable transcript turn
講者：Speaker:
Say we could avoid the touch screen, and we just stop at BlackBerry. Do we use social media in better ways?
j 下一段next turnk 上一段previous turn