The best way to leverage 21st century businesses is to leverage the potential of Internet marketing in business promotion methodologies. Here we see how to use these methods. Summary Businesses have changed. Change is for the better. How 21st Century Businesses Are Different From Those of the Past As we all know, the way businesses were run before has completely changed in our era. Technology has totally changed the way we look at business methods in terms of marketing, execution, service and other related aspects. Computers have become a lifeline of our business and daily lives. With the help of the latest software applications, computers can perform the work of more than 5 or 6 people and indirectly provide a large amount of time and financial savings. Nowadays, people use emails, blogs and websites as a means of communication which helps us save time and money, it also helps our customers to know about our service as and when they want. Customer service has improved dramatically due to technological advancements. In the 21st century, the way we promote our business has also completely changed due to the change in the way of thinking of buyers. For example, we used to depend on paper ads, but now the situation is changing drastically due to the use of online, TV and radio classified ads and classified ads and many other new options that have become available for us to promote our products and services. Previously, it would be very difficult to know how a particular company operates and how it is performing in its business. So it was difficult for businessmen to keep an eye on each other. However, this has now become possible through the various mediums available on the Internet....... middle of paper ......promote our product which we use for cold calling, mail marketing, street promotions, insert advertisements in newspapers, all very expensive and time consuming. Furthermore, it was not possible to address customers; all you got were general visitors. But since the Internet has become a pillar of business, all this has almost changed. People have discovered better means of online marketing. The main advantage of Internet marketing is that targeted buyers come to you and you don't have to search for them. This makes the conversion rate very high as users are looking for a product and we have it. There are many different ways of marketing on the Internet, such as those mentioned below:-1. SEO (search engine optimization)2. Article Marketing3. Blog marketing4. Posting in forums5. Blog comments6. Marketing on social networks7. Videomarketing8. Marketing via podcast