She contacted police, who traced Wooles via his IP address - the unique numeric label attached to his computer - and arrested him at his halls of residence in Leeds.

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The software is an online service called ShipStation, that sucks in all our orders from Shopify, Amazon, and Etsy, and then prints the address and the postage directly on the label.

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Every package requires an airbill or label with an account number and return address.

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To improve the reporting of side effects to the FDA, the label will now include a toll-free number and an Internet address to encourage doctors and patients to report potential problems.

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Wang, 63, launched her label in 1990, a year after her own wedding, with a prestigious Madison Avenue address on New York City's Upper East Side.

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