Inclusion Criteria:  Age >= 18 years Non-metastatic triple negative breast cancer English speaking New or existing prescription for capecitabine/Xeloda who get it filled at the Emory Specialty Pharmacy (within the first 3 cycles of use) Willingness and ability of the subject to comply with study procedures Have a mobile phone with text message Evidence of an online informed consent indicating that the subject is aware of the risk and benefits of study participation  Exclusion Criteria:  Those who do not receive their capecitabine/Xeloda prescription until a month after enrollment Eastern Cooperative Oncology Group (ECOG) performance status > 2