The most recent one is Amazon Dash — a thin, wand-like device, revealed on Friday, that includes both a microphone and a barcode scanner. Speak into it or scan a box of cereal or pack of toilet paper to automatically add that product to your AmazonFresh shopping list.
Before Dash, Amazon announced in February that it was adding a technology called Flow to its main shopping app on mobile phones. A user taps on the Flow feature in the app, points the phone at a product in their home — say, a book or a bottle of shampoo — and Flow is supposed to quickly display the product page on the phone’s screen.
Source: Amazon Dash and The Race To Slash The Time Between “Want” and “Buy” | Re/code
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