Twitter now allows Advertisers to Target Browsing History, Email Addresses (but users can opt-out) http://t.co/ZLd2WZbi3s #mostWillNot
July 03, 2013
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Twitter To Allow Advertisers to Target Browsing History, Email Addresses
For the first time, Twitter is will allow advertisers to target users based on things they did off the service, like web browsing, as well as personal information like an email address. The company announced today that it is opening up to third-party data, which will allow advertisers to target people who've visited a website or provided data as part of a purchase.

