题目内容
Groupon can deliver social experiences like restaurants, bars, Yoga, sailing, tennis lessons, or pole dancing.
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O2O commerce companies tracks conversion using things like cookies and pixels.
Groupon is a successful example of offline commerce being driven by an online storefront and transaction engine.
One of the tents of O2O commerce is that performance is readily quantifiable.
长期血压增高容易引起哪些脏器的并发症
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