Christoph Hess

africa social media kenya monitoring internet uganda mobile android tanzania ethiopia issue management thought leadership data kpi advertising employee advocacy paid media earned media newsletter social media strategy instagram youtube twitter facebook linkedin startups startup entrepreneurship personal branding branding content strategy community management sustainable agriculture storyful community soundcloud inhalt storify disqus audioboo podio rio+20 biovision society sociology augmented reality social web ushahidi silicon savannah m-pesa nairobi ihub farmers web agriculture application