Internet marketing is one of the fastest growing sectors of the business community today. The internet makes it easy to target a specific group of potential customers through e-mailing, social media sites, banner ads and search engines. Social Media, such as Twitter and Facebook. There are sites on the internet where classifies ads can be posted at no charge. A few of these sites are Kijiji, Craigslist and eBay. You can get your ad seen by more people in a shorter time and turn faster profits with the quicker turn around time.