This document summarizes a webinar about online and CD sales. It discusses several major platforms for online music sales, including CD Baby, iTunes, and digital aggregators. CD Baby charges $35 for setup and takes $4 per CD sold. Digital aggregators help get music onto platforms like iTunes in exchange for a cut of sales. The webinar recommends TuneCore as the best digital aggregator. It also discusses alternative sales options like creating your own online store or using physical cards. The attendees are assigned to post an idea from the webinar that they will implement on the blog.