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Crystal – This App Wants To Change Email Forever — By Getting Inside Your Head

You can get a free "practice account," which gives you full service to the site and the Gmail add-on for two weeks and lets you look up people to see a personality profile. Once you've signed up (Crystal recommends signing up via LinkedIn), your Crystal account will generate personality profiles based on your public social media posts and pretty much anything else that comes up when someone Googles you.

With the personality profile, you'll see advice on how to speak to the person, email them, work with them and sell to them. You'll even be told what comes naturally to them and what does not. Crystal also displays something called "accuracy confidence," based on how much information the app could find about the person.

"There are 64 different personality categories someone can be assigned from Crystal, and some are closer to each other on the spectrum than others," Crystal founder Drew D'Agostino told The Huffington Post in an email on Tuesday. "From user testing and surveys over the past few months, we've confirmed that Crystal provides a 'very accurate' reading for just over 80 percent of profiles, and that is continuing to improve as the product gets smarter."

As fun as it is to look up all of your coworkers and friends on Crystal, the really special part is how it helps you write emails. If you download the Google Chrome extension, Crystal will assist you in writing emails in your Gmail account. Crystal will appear as a little green button at the bottom of the email you're writing, suggesting a certain tone based on its assessment of the recipient's personality.

See the full story here: http://www.huffingtonpost.com/2015/03/25/crystal-gmail-app_n_6931478.html