LANSING, MI (WILX) -- If you have a Twitter account, your email address and phone number could have been used to enable a targeted advertisement.
Twitter said it "inadvertently" used users' email addresses and phone numbers to enable targeted ads.
The information was originally provided by users for account security.
The social media company said it isn't sure how many people were impacted.
The company also did not disclose when it discovered the error. but said it fixed the problem as of Sept. 17.
Twitter has apologized for the error.
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