Joshua has been writing about technology, lifestyle, and business for over 20 years. He's one of the original writers and editors for Engadget, and still writes about tech and lifestyle for the Wall Street Journal. You can find him on twitter at @fruhlinger
On September 17, Twitter addressed an "error" that allowed advertisers to target users based on phone numbers. The same day, it posted an ad for someone to address the problem. More than four weeks later, the company disclosed the mistake.