The following would be ways to avoid your personal activities or data from being available to businesses today EXCEPT: Use a plastic credit card in person- not online- for purchase transactions. Use a plastic credit card in person- not online- for purchase transactions. Close your social media accounts. Close your social media accounts. Write and send letters on paper instead of using email. Write and send letters on paper instead of using email. Give up your smartphone and revert back to landline phones only.