Today in Tech: Flipboard hits 50 million users, launches v. 2.0 by JP Mangalindan @FortuneMagazine March 27, 2013, 6:36 PM EDT E-mail Tweet Facebook Google Plus Linkedin Share icons Flipboard announced its personalized magazine app has 50 million users and released v. 2.0, which most notably includes the new ability for users to create and curate their own virtual magazines with Web stories, items from their social networks, and music files. Global Internet slow after ‘biggest attack in history’ [BBC NEWS] A row between a spam-fighting group and hosting firm has sparked retaliation attacks affecting the wider internet. It is having an impact on popular services like Netflix – and experts worry it could escalate to affect banking and email systems. Five national cyber-police-forces are investigating the attacks. At Y Combinator, social is out, revenue is in [THE WALL STREET JOURNAL] Don Dodge, a startup investor and well-known “developer advocate” for Google, said today’s startups are more focused than ever on revenue—as evidenced by the large revenue-growth charts most of them showed off during the presentations to investors. In prior years, founders focused more on the number of people using their service, he said. Microsoft talks publicly about Blue and Build 2013 [ZDNET] Shaw’s post reiterates a lot of what I’ve been trying to make clear in my posts about Blue, namely, that Blue is about more than a set of interrelated products that are timed to ship within a specific window (pun intended) of time. Blue is also significant because it signifies a move by Microsoft officials to turn Redmond into a devices and services company that is delivering updates in a more timely fashion. “Our product groups are also taking a unified planning approach so people get what they want – all of their devices, apps and services working together wherever they are and for whatever they are doing,” Shaw noted. (There’s that collaboration theme, again.) Hands-on with Mozilla’s Web-based “Firefox OS” for smartphones [ARS TECHNICA] Mozilla’s webpage-as-app philosophy is very much a work in progress. While the organization has demonstrated that it’s possible to build native-feeling apps using HTML5 if you start from scratch, we haven’t found any examples of third-party apps that have gotten the Firefox OS religion. Netflix goes sci-fi with its next original series, Sense8 [TECHCRUNCH] The show is being developed under the guidance of the Wachowskis, who are responsible for smash hits like the Matrix series of films, V for Vendetta, Cloud Atlas and Speed Racer, as well as J. Michael Straczynski who is the creator behind Changeling, Thor, and Babylon 5. Don’t miss the latest tech news. Sign up now to get Today in Tech emailed every morning.