The problem is that no one is going to remember your site when they actually need a whiteboard or share it with their friends. To fix that, give it a purpose in

The problem is that no one is going to remember your site when they actually need a whiteboard or share it with their friends. To fix that, give it a purpose instead of leaving it as a blank canvas for people to use. For example, you could use the whiteboard as the basis for a iSketch (http://isketch.net http://isketch.net) ripoff, while making it clear that people can use the whiteboard on its own. People will use it and share it with their friends and you'll end up with more users for your core product. There are plenty of other ways to achieve the same goal. The downside is that whatever you come up with to get users may suck away too much time and effort from improving the product itself. You can always outsource the building of such add-ons by providing an API and directing users to your site that way.