Hacker News summary for Tuesday 28 May 2013, 7:00 a.m. edition

Here's a summary of the top stories on Hacker News at this moment, as part of daily exercise to do a closer reading of the tech news. See On Summarization for more background.

1. "Opera for desktop has not only been redesigned; it's also completely re-engineered under the hood. With the Chromium engine, users get a standards-compliant and high-performance browser." (Opera) "The price of switching to Chromium:
Opera.app = 37.8 MB,
Opera Next.app = 103.1 MB" (@maxart via @gen)

2. "The Haskell Platform is the easiest way to get started with programming Haskell. It comes with all you need to get up and running." For Windows, OSX and Linux.  Current release: 2013.2.0.0 (Haskell)

3. John Dryden, a Batavia IL teacher, is under fire from the school administration after informing his students of their Fifth Amendment rights against self-incrimination. The students were given a survey with their names on it asking about drug, alcohol, and tobacco use. (Daily Herald)

4. Sony has made a lot of money selling insurance and making movies and music, and has lost quite a bit selling electronics. Analysts wonder if Sony should exit the electronics business rather than invest in strengthening it. (NY Times)

5. There is a problem with the spacing on Facebook's display of text in the timeline, and 3 pixels of added whitespace would fix it. "I'm sorry for rageskitching about Facebook, but I can't help it." (Garry Tan)

6. "Michael Markieta, a transportation planner at global engineering and design firm Arup, has spent the last year developing visualisations of flight paths crossing the globe." The maps are very pretty. (BBC)

7. "Identify a pattern, run a mask, put recovered passes in a new dict, run again with rules, identify a new pattern, etc." How password cracking is done. (Ars Technica) "Correct horse battery staple." (XKCD)

8. "I am still learning to manage my time better and would love to hear your thoughts if you’ll are a startup dad/mom." Some productivity hints from a father of a young child who runs a startup. (Sahil Parikh)

9. "These cases are covered under a new HTML5 called the meta referrer. Now a simple tag can be used, such as <meta name="referrer" content="always">, to specify the exact behaviour of the HTTP Referrer regardless of whether we're using HTTP or HTTPS." (Stephen Merity)

10. Find a set of complementary colours just by moving your mouse around. (Colourco.de

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