Despite Elon Musk's allegiance with Donald Trump, some Democratic campaigns still advertise on Twitter, formerly known as Twitter.
Democratic campaigns, including that Kamala Harris' presidential campaign, have stopped spending on Twitter altogether.
Representative Colin Allred has spent almost $322,000 on Twitter ads this year, in the pursuit of defeating Sen. Ted Cruz in the Texas Senate race.
Sen. Jon Tester of Montana has run an ad in the iPhone Notes app style seeking donations for Tester's reelection campaign.
Twitter remains an essential platform for reaching voters in the tightly fought election period.
Twitter CEO Linda Yaccarino tweeted in August that 37 million Democrats, 32 million Republicans, and 34 million swing voters use X (Twitter).
X (Twitter) has made a dedicated effort to bring in political campaign ad buyers.
X (Twitter) generated under $3 million in political ad spend for the 2018 US midterms.
Political ad spending in the US is predicted to top $12 billion this year with TV advertising accounting for $7 billion.
X (Twitter) has been banking on the US election season to recoup revenue lost after several major brands dialed down their spending on the site or exited altogether.