Storybird is an online tool that allows users to collaboratively create stories by selecting artwork and writing text to accompany the images. Users can choose from various themes that include pre-selected art and then write their story inspired by the pictures. Stories can be shared publicly or privately. The document discusses how Storybird can be used in educational settings to promote literacy and language development. It provides ideas for classroom assignments using Storybird and tips for using the tool with students.