1. A method comprising: in a browser on a computing device, obtaining a video editor application over a network, wherein the video editor application, when executed by the browser, displays a rendering area for displaying editable video content, a video editing workspace comprising one or more editing functions for editing the video content, and an advertising section for displaying one or more advertising objects related to one or more advertising campaigns; determining identity information identifying a user using the browser on the computing device; requesting a configuration file over the network specific to the identity information identifying the user using the browser on the computing device, the configuration file defining which of the one or more editing functions in the video editing workspace are to be enabled and further defining the one or more advertising objects that are to be displayed in the advertising section for an instance of the video editor application executing in conjunction with the browser; and executing the instance of the video editor application in conjunction with the browser on the computing device in accordance with the configuration file obtained over the network.