Entrants will be asked to write a short sentence explaining their idea with a brief explanation of why it's important, and to upload an image that illustrates it.

Visual query offers quite a natural approach to search: upload your image and search for similar pictures.

The user may upload the image to the forum database, or may provide a link to an image on a separate website.

At the end of each day the gadget uploads the images to a computer, or to the cloud for sharing on social networks.

See the website for fees and how to upload your images.