There’s been an explosion of collaborative consumption — web-powered sharing of cars, apartments, skills. Rachel Botsman explores the currency that makes systems like Airbnb and Taskrabbit work: trust, influence, and what she calls “reputation capital.”... Read More إقرأ المزيد | Share it now!

One day, Ed Gavagan was sitting on the subway, watching two young med students practicing their knots. And a powerful memory washed over him — of one shocking moment that changed his life forever. An unforgettable story of crime, skill and gratitude.... Read More إقرأ المزيد | Share it now!

Your mobile phone, computer and game console have a bloody past — tied to tantalum mining, which funds the war in the Democratic Republic of the Congo. Drawing on his personal story, activist and refugee Bandi Mbubi gives a stirring call to action. (Filmed at TEDxExeter.) ... Read More إقرأ المزيد | Share it now!

هذا درس للمبتدئي صيانة الحاسوب ، بعد كثرة الاسئلة حول الفرمطة عن طريق فلاشة ايسبي من تقديم الاخ هيتمان اكسبي
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link win to flash http://www.mediafire.com/download.php?4lg37euk0kbzlc1... Read More إقرأ المزيد | Share it now!