It would be great to see a heatmap of all the tweets that they've collected since November 1st. The real-time thing is pretty cool, but I think it would be inte

It would be great to see a heatmap of all the tweets that they've collected since November 1st. The real-time thing is pretty cool, but I think it would be interesting to see the most active locations from the last few months on a higher resolution heatmap. Or even better, let the user select between fixed time periods (all time, one month, one week, etc.).