Twitter can now target ads based on user IDs and email addresses

Advertisers bringing their campaigns to Twitter can hone in on their audiences through knowledge of items as simple as email addresses and user IDs. The social network announced some new methods being made available for tailored audiences, a program that launched in December for connecting businesses with potential customers that have demonstrated interest in a given product through activity outside of Twitter.

Twitter just announced some new capabilities in its recently launched Tailored Audiences program for ad retargeting, and it sounds like the company is enabling some pretty specific targeting. In a blog post, Revenue Product Manager Kelton Lynn describes the additions as new ways to create Tailored Audiences, either using a customer relationship management database (something that Facebook added a while ago — in both cases the emails are sent as hashes) or lists of Twitter usernames or user IDs (the user ID being the unique number that identifies your account). Lynn said advertisers will be able to exclude certain audiences from their advertising in the same way.

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