TechCrunch: Twitter launches improved alt text accessibility features globally. “For a while now, Twitter has made it easy to add alt text to image uploads, allowing tweeters to provide a description of an image to aid people who use screen readers or speech-to-text programs. But until now, you haven’t been able to see what images do or do not have alt text if you weren’t using a screen reader yourself — so, for example, if you wanted to make sure that the content that you retweet was accessible to followers who might be Blind or have limited vision, you’d just have to retweet and hope for the best. After a successful test last month, Twitter is rolling out two additions to its alt text feature.”