cloudant

Storing files (videos/images/music) in CouchDB/Cloudant vs CDN (CloudFront)?

I am new to CouchDB/Cloudant and CDN (CloudFront). I am about to build an application using CouchDB as database. This web application will handle a lot of files. I know that CouchDB can store files in the database as attachments. But then I have heard about leveraging CDN to store and distribute the files all over the world. My quest...