Twitter has unveiled a new feature to enable the visually impaired users to access its platform. The feature will enable to add alternative text (alt text) by the users, to images in tweets. Alternative text is a description for the image. The new feature is available for the users of iOs and Android app.

The twitter announced about the new feature in a blog post. In the post, twitter said that the new feature can be activated at the accessibility settings in the app. The compose image descriptions option in the settings, should be enabled to activate the feature.

"The next time you add an image to a Tweet, each thumbnail in the composer will have an add description button. Tap it to add a description to the image. People who are visually impaired will have access to the description via their assistive technology (e.g., screen readers and braille displays). Descriptions can be up to 420 characters," read the blogpost.

The new feature is even extended to the REST API and Twitter Cards, to ensure that the publishers and third-party clients can also add alt text to the images.

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Divya