Coca-Cola Collaborates with Celebrities for Tumblr Templates

Mega soda brand Coca-Cola is collaborating with five celebrities to come up with a free Tumblr design template for fans. The social media campaign is part of the "Happiness Is" Tumblr blog. Starting with a Jason Derulo-designed template, the campaign has already been a hit.

Coca-Cola is constantly pushing unique marketing campaigns. Check out the Open Happiness campaign for another recent example.