The Neo4j company launched a Twitter contest called "Show Me Your Graph" in preparation for the GraphConnect conference in San Francisco. The contest encouraged users to share their graph visualizations, which were created using various tools and technologies. Examples of submitted graphs include a 3D visualization of a pattern recognition algorithm training into a massive binary decision tree, a social graph of the OSCON Twitter feed rendered by vivagraph, and a Marvel Universe graph. The contest aimed to showcase the versatility and creativity of graph visualizations in data representation and exploration.