Inclusion criteria:  Young adult Smokes tobacco cigarettes Uses electronic cigarettes Interested in quitting tobacco  Exclusion criteria:  Pregnant or planning to become pregnant Breastfeeding or planning to start breastfeeding One or more contraindications for nicotine replacement therapy  Additional criteria will be assessed to determine eligibility.  If you are interested in participating, please visit the study website to find out if you are eligible: https://www.uvmquitsmokingstudy.org/