New Delhi, Sept. 20 -- Twitter has rolled out a feature to help blind and visually-impaired people read images embedded with the tweets via its new image description reminder.

The new image description reminder will encourage more people on Twitter to add helpful descriptions to the images they tweet, the company said in a statement.

Alternative text, or alt text, is a written description of what's in an image that can be picked up by screen reader software used by the visually impaired.

Whenever you add a photo to a Tweet, you have the option to describe it using alt text, also known as a digital image description.

"Our new image description reminder is a feature that prompts you to make a good habit of adding alt text to every image...