Whenever you import a list into MailChimp, you’ll notice a few more options to choose from, including Google Docs, Google Contacts, Batchbook, and CSV format (we previously only took tab-delimited).

Import List Options in MailChimp

What’s nice about the Google Docs integration is that if you use Google’s Form/Survey tool (which save data into a Google Docs spreadsheet), all that data you collect can be imported into MailChimp really easily.