What has worked best for your business in terms of bringing in the best ROI based on your data? Using PPC, Affiliates, SEO, Email Marketing, Social Media Marketing, Content Distribution, Blogger/Influencer Outreach, Press Releases, Joint Ventures, Viral Marketing, Referrals, Giveaways, Etc.?
For Me, highly targeted Facebook ads. Also check out the new Facebook Lead Ads option for building your list, and also FB Livestream for more organic traffic and engagement.
Facebook makes it so easy to target your niche, which makes it by far the best ROI for PPC marketing and lead generation.