(Ping! Zine Web Tech Magazine) – Preso.tv ([url]http://preso.tv[/url]), the innovative, hassle-free way to broadcast, present and simultaneously share retina-quality presentations on smartphones, tablets, and computers in real-time anywhere in the world, announced its public beta launch today. Backed byDecos Technology Group, Preso.tv is a free-to-use product that requires no account registration or subscription, and delivers […]