That 50% jump in the number of monthly active users in the U. Several dozen TikTok creators, including small business owners, entertainers and activists who see the app as key to their livelihoods, are planning to be in Washington Wednesday ahead of Chew’s testimony to hold a news conference and meet with lawmakers, according to a person familiar with the planning. government’s national security concerns by proposing it hire an American company to store the data of people in the U