Nokia, Ikea & Snapchat: 5 things that mattered this week and why

Ikea says it reached 151 million people with Game of Thrones campaign
Ikea has been talking up the power of reactive advertising after its campaign reacting to news the creators of Game of Thrones use the Swedish retailer’s rugs (pictured) to create Jon Snow’s outfits went viral.
Subsequently, Ikea posted a do-it-yourself guide on its Facebook page that gave shoppers all the steps needed to make their own winter-warming Jon Snow threads.
The reactive campaign reached 151 million inte