It's where people go for everything from news and banter to product recommendations. And don't think it's the preserve of the young ones - most Facebook users are between 25 and 34.
Social media is a crucial channel to increase brand awareness by distributing content to a wider audience, as well as to support website promotion and increase traffic.
If you want to be a thought leader, it's imperative you get your brand and staff on social media, building up an engaged audience over time.
Social media is invaluable to the modern marketer.