Social media has quickly grown from a way for friends and family to stay connected into an integral and increasingly essential part of businesses of all sizes.

Small companies in particular can reap enormous benefits from platforms such as Twitter, Facebook and LinkedIn, but what is the key to their success?

This infographic provides some important stats about who uses social media, and offers tips and advice for small businesses on how they can maximize the ROI from their campaigns.

(Source: CreditDonkey.)