Rakuten Viber, originally Viber Media is a VoIP provider which allows users to exchange images, videos, and audio messages. Most importantly, Viber allows users to use instant messaging to communicate. Founded in 2010. With over 800 million active users, Viber has come to the forefront of VoIP services.

Trew Knowledge provides web development support for Viber Media. Projects include the Cannes Lions Festival of Creativity landing page as well as official email templates which are completely integrated with Marketo. Trew Knowledge continues to provide web development support to Viber.