5 things you need to know this week

From Facebook opening up its Messenger app to brands to M&S posting falling fashion sales (yes, again), it has been a busy week in the world of marketing. We line up the five things you need to know.

Cannes 2015: The key takeaways

The Cannes Lions Festival might seem like one giant party for the marketing industry but from how brands are using data to be more creative to why diversity in the people behind the creative is so important there was also plenty for marketers to take back to their teams.

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