Inclusion Criteria:  18 years of age or older English-language proficient Located in the United States Self-reports smoking 15 or more cigarettes per day in the past week Expresses interest in quitting or reducing smoking Has a cell phone with access to text messaging Willing to send and receive text messages related to smoking  Exclusion Criteria:  Currently pregnant or plans to become pregnant Currently on psychotropic medications for smoking cessation Currently receiving behavioral treatment/therapy for smoking cessation