The intensity of the Florida Senate battle is evident in the spending data by location as well. The Sunshine State has seen the most money spent on political ads since the end of May, at $1,148,900. You can click into each state to see how much is spent in individual districts.
Watch this: Twitter's newest feature informs users about political ads
It's possible to click into individual advertisers to see how many ads they've purchased -- Trump had bought 1,321 as of Thursday -- and a chart showing the amount spent over time.
The effort to create greater transparency follows Google, Facebook and Twitter's July apologies to Congress for mistakes regarding political content on their platforms, when the companies denied any bias.