Facebook Backdoor Gives Clues To Private Email Addresses
If you forget your Facebook profile name, you can enter your name, email or phone number into a page called Find Your Account to find your Facebook profile and some alternative email addresses, which are partially obscured such as firstname.lastname@example.org.
The same technique works if you type in other people’s details. Then Facebook can act as a Caller ID and produce a photo, name or clues about a private email. That could help if someone telephones but does not leave a message, or if you want to find a private email address from a company email.
As a test I looked up Gary King, one of two dozen who hold Harvard’s prestigious title of University Professor. His email address is listed on his public webpage. A search of Find Your Account leads to his Facebook profile photo and revealing clues to his alternative email addresses.
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I repeated the process for several other people. It did not find everyone– perhaps the telephone numbers or email addresses were not linked with Facebook — but in many cases it did, including for a well-known private detective in Las Vegas whose photo I was able to see.
“This is an interesting case where a feature aimed at giving users a better service actually exposes their private data,” said Michael Bar-Sinai, a software engineer at Harvard’s Institute for Quantitative Social Science where King serves as director.
He pointed out his privacy settings allowed only friends of friends – not everyone – to look him up with his emai
This Tuesday, July 16, 2013, photo, shows a sign seen at Facebook headquarters in Menlo Park, Calif. Facebook reports quarterly earnings on Wednesday, July 24, 2013. (/)
Facebook (FB) has lost more than 3 million U.S. teenagers in the past three years, according to a new study, adding to fears the social networking site has become uncool with the younger set.
The study, by market researcher iStrategy Labs, reviewed Facebook’s social advertising platform and calculated the company had 3 million fewer users aged 13 to 17, a 25% drop, than it did in January 2011. The site lost another 3 million users aged 18 to 24, a group which obviously includes some older teens, representing an 8% decline. Still, thanks to increasing use by older Americans, Facebook’s overall U.S. membership base increased by 33 million, or 23%, to 180 million users over the three years, the study found.
That could be the root of the issue — teens don't want to reveal much if they know grandma is watching. And it's easier to avoid adults' prying eyes on less-complicated services such as Twitter (TWTR) or Snapchat, which is rumored to have turned down a $3 billion takeover offer from Facebook last year.
The adolescent issue
Facebook's $1 billion purchase of photo posting service Instagram in 2012 was aimed at attracting more younger users. But Facebook has since admitted it might have a problem keeping teens interested. “Our best analysis of youth engagement in the U.S. reveals that usage of Facebook among U.S. teens overall was stable,” CFO David Ebersman said on an October 30 call with analysts. “We did see a decrease in daily users, specifically among younger teens.”
The admission caused a minor sell-off in Facebook shares, though they have since recovered. Trading at $57.44 on Thursday, the stock has more than doubled over the past six month
2. Best shorts for 2014: Facebook, Tesla, Twitter, Netflix, and Veeva Systems
Faber says: "If you look at the entire market, some stocks are not terribly expensive and some stocks are very expensive. It's like in year 2000, not every stock was overpriced. At that time, the NASDAQ was grossly overvalued but, say, resource shares and so-called 'old economy' companies were relatively inexpensive or absolutely cheap. In the present instance, I think that stocks like Facebook, Tesla, Twitter, Netflix, [and] Veeva Systems are grossly overvalued and that the basket of shorts in these stocks will return you at least 30% next year."