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How to get 5 free bottles of Coca Cola

Free Coke beckons if you can talk to Alexa. (Images: Coca Cola Amatil, Getty)

Coca Cola will deliver 6,000 free bottles of soft drinks labelled with the customer's name. 

The promotion sees any Australian user saying "Alexa, let's share a Coke" to an Amazon voice device receive a coupon code that can be used to redeem a personalised bottle and delivery.

The customer must have an Australian Amazon account to download the "Share a Coke with Alexa" feature onto their device before the phrase is recognised.

"You can also ask for ‘help’ when launching ‘Share a Coke with Alexa’ skill. Alexa will talk you through how to order your personalised Share a Coke glass bottle," reads the FAQ on the Coca Cola website.

There is a limit of five coupon codes per Alexa device and a cap of five coupon codes per mobile phone number. The 6,000 vouchers will be given away on a first come, first served basis.

Coupons must be redeemed by February 29.

"The activity is so popular that 2,000 coupons had run out in half day [sic]. We have now increased the total number of coupons from 2,000 to 6,000," states Coca Cola's website.

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