You can delete your Twitter account, which will stop generating your data for Twitter to sell. Deleting your data is another matter. According to Twitter’s privacy policy, the company only stores your data as long as you have an active account. That said, Twitter makes it clear it shares your data with advertisers and other third parties, and there’s no way to backtrack that. You can protect your online data by adding an extra layer of security to your connection. Use CyberGhost VPN to encrypt your traffic and make your information unreadable to third parties.