1. A method comprising: presenting a document in a graphical user interface of a document editing application on a display of a first user device associated with a first user; receiving, at the first user device, first information describing a first user modification to the document; in response to receiving the first information, changing the presentation of the document on the first user device to reflect the first user modification to the document; receiving, from a second user device, second information describing a second user modification to the document; in response to receiving the second information, changing the presentation of the document on the first user device to reflect the second user modification to the document; in accordance with an automatic determination that the first user modification to the document corresponds to the first user, forgoing presenting an animation associated with the first user modification to the document; and in accordance with an automatic determination that the second user modification to the document corresponds to a second user different from the first user, presenting an animation associated with the second user modification to the document.
14. The method of claim 1 , wherein the second user modification comprises editing an image, and the animation comprises a shaking animation.