This demo shows the top 100 hot words on Tweeter at Christmas eve and Christmas day. You can drag and click the nodes to explore the context of the top words.

'Easter Eggs': It is might not a real Easter Eggs since it looks like a homework:

After implementing the graph visualization above, we found a Bug: There are lots of context nodes for ‘christmas’. It begins to swing violently as the layout was about to converge after being expanded. Welcome PR on GitHub to solve it!