Subscription ListsThere are a few specific options you may be interested in while creating a campaign.
Include some user identities info in subscriptions
Location
Website
Skype
Facebook
Twitter
User name
Allow the campaign shows in register form
Allow guest subscribe: This option allows you to display a popup to guest users and ask them to subscribe to the campaign. You can also customize your popup content
Allow you import group email addresses into specific subscription list.
Manual...
