Existing Kobo users can login to their Kobo account and start reading their books right away.
When it's first opened, users will login and be asked to rate a few movies and shows so it can get a sense of their tastes to know what to present, Netflix-style.
ENGADGET: Google TV's TV and Movies app gets to know you better with ratings, favorites and more
To start another 30-day complimentary subscription, users need to login with their existing Adobe Revel ID.
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Research shows that social login users spend more time on a website and purchase more than traditional users.
FORBES: How Social Login Is Changing Business--and Your Privacy
Most online banks and many other net companies have been subject to phishing attacks which try to trick users into handing over login and account details using carefully crafted messages that look legitimate.
The link opened a bogus login page requesting users enter their staff ID and password, reports suggest.
BBC: AP Twitter account hacked in fake 'White House blasts' post
Hundreds of millions of users, many of whom login and start using the site before they even get out of bed in the morning.
Central to the idea, users will be able to login to the computer without supplying credentials, and their data will be automatically cleared at the end of the session.
In addition, users will be able to login to their PS4 with face recognition and are capable of using their own body movements or voices to enjoy games more intuitively.
Yahoo Mail, the largest in the U.S., only uses "https" during login and when users are manipulating settings in order to prevent usernames and passwords from being easily snatched by nearby hackers.
CNN: Why Google's data collection snafu could be good for Gmail
The original program, known as the DIB Cyber Pilot, was voluntary, requiring users to approve monitoring via a login interface.
To be sure, users can also benefit from social login.
FORBES: How Social Login Is Changing Business--and Your Privacy
It was also contacting users to tell them to change their login passwords.
How do users feel about the privacy implications of social login?
FORBES: How Social Login Is Changing Business--and Your Privacy
Above all else, users must be given the choice to use social login or not.
FORBES: How Social Login Is Changing Business--and Your Privacy
Known initially as Facebook Connect, the service appears as a "login with Facebook" button on many sites and allows users to quickly sign in to those sites using their Facebook credentials.
With internet users of all ages accessing mobile and desktop services, a broad swath of login education is needed.
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Similarly, Facebook and Twitter send login credentials over a secure line and then revert to an unsecure protocol. (Users of those social networks can add an "s" after "http" to force the systems to encrypt their browsing.) Social networking sites are where people increasingly conduct private conversations, whether through Facebook's Messages or Twitter's Direct Message feature.
CNN: Why Google's data collection snafu could be good for Gmail
Compromised users should be sure to also change the password of any accounts on other services where they used the same login credentials.
FORBES: Twitter Hack Mostly Hit Early-Adopter, Well-Connected Users (And Probably President Obama)
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