This document provides summaries of articles from Hyves, a Dutch social networking company, published on April 12, 2011. It discusses Hyves connecting users in the Netherlands, facts about social networks worldwide, making Hyves more environmentally friendly, guiding principles focusing on empowering users and openness, a focus on performance metrics, tools like Gentoo Linux and Ganglia for operations, emphasizing culture and processes, a case study about rapid hardware deployment, and solving parallel programming challenges with virtualization and containers.