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Mashable
Mashable covers the top social media news on topics like Facebook, YouTube, Gmail, Twitter, Amazon, Pinterest and More.

Stephen Hawking Joins Facebook, Likes 'The Theory of Everything'

Josh Dickey
Stephen Hawking has spent a lifetime getting his head around concepts in astrophysics most of us will never comprehend, but the 72-year-old never got around to the social-media thing — until Friday. The renowned theorist, cosmologist and author joined Facebook, kicking things off with a message in support of The Theory of Everything, the Focus Features biopic that became an instant Oscar contender when it debuted at the Toronto International Film Festival. SEE ALSO: 'The Theory of Everything': Eddie Redmayne's Big Oscar Bang in Toronto Read more... // More about Movies, Awards, Oscars, Stephen Hawking, and Entertainment

Eyewitness to Hell: Life in Ebola-Ravaged Liberia

Amanda Wills
I graduated college in May. Three months later I boarded a flight to Liberia to cover the Ebola outbreak. It was only the second assignment of my professional career. I knew it was dangerous, but going to Liberia answered something far more personal. The people of the Ebola-ravaged country have been living a hell for months. Only recently has the world started to pay attention. I felt it was my responsibility to document it. This wasn’t a war-torn country, where the dangers are visible. In Liberia today, it's the things you can't see that are most lethal. One twist of an infected door knob or an accidental brush past a stranger can be your death sentence Read more...More about Photography, Photographer, Africa, Liberia, and Us World

Hackers Are Exploiting Microsoft PowerPoint to Hijack Computers

Rex Santus
Hackers are exploiting a security flaw in Microsoft Office by using PowerPoint to attack Windows users and gain control of computer systems. Microsoft, in a security advisory on its website, says there have been "limited, targeted attacks" against users through Microsoft PowerPoint. An attacker who successfully exploits the security flaw could gain complete control of the system. With that sort of control, hackers could execute code remotely, alter or delete data and install harmful programs, like malware See also: Microsoft's Big Day: See Exactly How Windows 10 Works The hack affects all supported releases of Microsoft Windows (with the exception of Windows Server 2003), and it's executed when a computer opens a specially crafted Microsoft Office file that contains a malicious version of what's called an OLE (or object linking and embedding) object. An OLE object, in this sense, is data that's embedded in a different file, like an Excel spreadsheet in a Word document, for example. Read more...More about Microsoft, Security, Privacy, Online Security, and Windows