In 2004 Facebook launched, initially for college students. However, it quickly expanded to include users of all ages, becoming the most popular social media site in the world. Facebook allows users to create profile USA Phone Number List connect with friends and share content, but it also allows businesses to create pages and connect with customers. Launched in 2006, Twitter provides a platform for users to share short messages or tweets. Twitter quickly became popular, with celebrities and politicians using it to connect with their followers. It also provides a new way for businesses to connect with customers and promote their products and services.

Social Media Marketing Takes Off As social media sites grow in popularity, businesses are starting to take notice. They saw an opportunity to reach a large audience and build brand awareness. The earliest businesses to use social media for marketing were usually small businesses with limited budgets. However, as social media marketing has proven effective, large businesses have also started investing in it. One of the first successful social media marketing campaigns was the 2010 "Old Spice" campaign. The campaign features a series of humorous videos featuring a character known as "Old Spice". The videos were shared on social media sites and went viral, generating millions of views and engagement. Another successful social media marketing campaign was the 2014 ALS Ice Bucket Challenge.