Twitter apologizes after using security phone numbers for ad targeting

Twitter said it used phone numbers and email addresses that some users uploaded for security reasons to target them with ads.The company said this was “an error” and that the information should not have been used for ad targeting. “We’re very sorry this happened,” Twitter wrote Tuesday in a blog. It didn’t say how many users may have seen ads because of this activity.Twitter offers an ad product called “tailored audiences,” which lets advertis