iPhone Duo orders limited to two per customer as Apple tackles scalping

Apple is limiting iPhone Duo orders to a maximum of two per customer in the US, UK, and elsewhere after shipping dates slipped into January of next year within minutes of pre-orders opening.

The move appears to be an attempt to tackle the problem of scalping, where people buy large volumes of supply-constrained devices in order to resell them on eBay for well above the retail price …

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