Many have been detailing the vast sums being raised by the presidential candidates and the super PACs supporting them. But where are all those millions being spent? Among other things, the answers can provide hints on potential improper coordination between campaigns and super PACs. Here are the 200 biggest recipients of spending by the major campaigns and most of the major super PACs. | Related story: Campaign Spending Shows Political Ties, Self-Dealing »

How to use: Click on each spender on the left to see where its money flows and click on each recipient on the right to see where the money ends up.

For technical details, see our nerd blog post.