Why Advertising on Facebook Works Facebook's staggering 1.32 billion average daily active users makes it the unprecedented most popular social media. Its enormous popularity is a hub of rich audience activities which makes it the top-most social media platform with best ROI according to seasoned and successful social media advertisers.

Advertising on Facebook also offers eCommerce businesses with many opportunities for traffic and sales. In a study exploring the effectiveness of social media for Shopify stores, Facebook dominated as a source of social traffic (63%) and with the highest conversion rate (1.85%).