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To celebrate Dirk's 75th birthday, Nubis helped set up a promotional contest at the supermarket chain in the summer of 2017. For every € 15 spent on groceries, customers received a ticket with a unique code that could be used on the specially-developed campaign website. After filling in a code, a wheel of fortune started spinning and stopped at the prize the customer had won.

Since the contest lasted eight weeks, this online environment had to be technically perfect. The lottery had to be held in a fair and balanced way, since every customer ticket had to have an equal chance of winning a prize. The prize winner also received a personalised email. All personal data had to be processed anonymously.

Over 2.5 million codes were entered and the website was reviewed by almost half a million unique visitors. More than 4,000 prizes were won. Besides that, the campaign led to over 146,000 newsletter subscriptions that turned this promotional contest into one of the retailer’s most successful online campaigns.