If you are collecting anonymous responses and would like your respondents to share the survey with their friends you can use the social toolbar feature. Its a quick and easy way for respondents to share the survey on platforms like Facebook, Twitter.
Social Network Toolbar allows you to provide users with easy access to share the survey. When Social Network Toolbar is enabled, respondents can click on the Facebook icon or the Twitter icon to post the survey on Facebook or Twitter.
The social network toolbar will appear in the footer of the survey, as shown below: