A leading neuroscientist warns of negative changes to the 21st century mind as a result of using social networking sites like Facebook. Changes include infantilisation, attention deficiency, selfishness, erosion of identity and an inability to empathise with others. Interview with neuroscientist Lady Susan Greenfield, Professor of Synaptic Pharmacology at Lincoln College, Oxford and Director of the Royal Institution. More here: www.guardian.co.uk _

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PCMag.com’s HDTV Guru Robert Heron shows off the benefits of turning down the backlight on you LCD HDTV.

Learn how to use the “wall” on Facebook and how to send gifts to your Facebook friends in this free educational video clip. Expert: Melissa Schenk Bio: Melissa Schenk te enseñará cómo presupuestar tus gastos en compras de regalos para los días de fiesta.

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