By Marquis Matson After blogging sites started becoming popular in the late 90s, early into the 2000s, sites such as LinkedIn and MySpace quickly gained prominence. By 2005, social networking platforms like Facebook, Twitter, and YouTube had made their debut, creating entirely new ways through which people across the globe could communicate, share with each other, and do … [Read more...] about Guest Post: How to Create a Social Media Marketing Plan?