Can confirm. Privacy policy Item 5.1 - Previous: http://web.archive.org/web/20160209234946/http://mandrill.co... vs new: http://mailchimp.com/legal/privacy/ Item 5.1

Changes from:

  That information may include your IP address, name,
  physical address, email address, phone number, credit
  card information, and other details like gender,
  occupation, and other demographic information.

to

  That information may include your and your Subscribers’ 
  IP address, name, physical address, email address, 
  phone number, credit card information, operating 
  system, as well as details like gender, occupation, 
  location, birth date, purchase history, and other 
  demographic information.