How 2 ... Call back sent e-mail in Gmail

Ever realize you accidentally hit "Reply All" seconds after it was too late? Or forget to send the attachment mentioned in your message? With Gmail's "Undo Send" and "Forgotten Attachment Detector" features, you can give ...

Google wants Password123 in Museum of Bad Headaches

(Phys.org)—Should typed passwords ever make their way into the Memory Bin, no tears will be shed in certain quarters at Google. The search giant is taking a serious look at a computing future where users have a safer environment ...

How do you mine Bitcoin – and is it still worth it?

Most people are bamboozled by Bitcoin. It's shrouded in jargon and geek speak. It borrows physical metaphors from all over the place adding to the confusion. It talks of "coins", but there are no physical coins. You'll hear ...

Facebook Adds 'Marketplace' of Classified Ads

Facebook members looking to rid themselves of couches, find an apartment or score concert tickets no longer have to leave the confines of the social networking site as Facebook on Friday launched its own classifieds section, ...

Fake Facebook accounts: the never-ending battle against bots

The staggering figure of more than three billion fake accounts blocked by Facebook over a six-month period highlights the challenges faced by social networks in curbing automated accounts, or bots, and other nefarious efforts ...

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