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No money for an LED lighting retrofit? Building Hero can help
iPhone fingerprint recognition confirmed, implementation matters most
South Korea's startup scene is hot right now
How to save $104,802 on heart surgery
Researchers banned from publishing data on luxury car hacks
Q&A: Tiffani Williams, computer scientist, on creating an open source tree of li...
Indian schools adopt tablets. Will they improve education?
Google's Chromecast isn't the answer: my mom is
Overwhelming demand for Chromecast surprises even Google
Fully 3D-printed rifle hits the Internet
Open thread: What do you want to see on SmartPlanet?
Brazil's Eike Batista is no longer a billionaire