Facebook integration with Mailchimp will allow you to post ads, post directly to social networks, add registration forms and use Instagram and Facebook photos in Mailchimp.

Research your potential customers there on Facebook and direct them to your site. Find people who are interested in your brand using key hashtags in social advertising, and then convert followers into customers using signup forms.

Use Mailchimp's Similar Audience Finder to find new people on Facebook or Instagram that are similar to your contacts. Turn interested leads into repeat customers who will help your business grow.