Unilever, a large holding company of various brands, has announced they will be increasing its ad-spend on mobile campaigns following the unprecedented success of a particular campaign centered around its youth brand Peperami.

The core of this success? A mobile-based site that allows its users to send prank calls to their friends, among other things. 

The site has only been live since September 16th, and in its short life has seen over 24,000 unique visitors.  In the eyes of Unilever this represented a huge success, with it being a relatively new idea for the company.

Read on for more details on this success story.