Buying and selling is almost happening in the internet nowadays. People are just searching in the search engines and find some products that they want to buy. Some of this people are doing shopping online instead going to the malls. They are ordering via online and they just wait for several days or weeks before the product they buy will be delivered. This is called Electronic Commerce or commonly known as E-Commerce. Ecommerce is electronic marketing which includes, buying and selling of products or services over electronic systems such as the Internet. Some company offers services for small to large business such as custom web design, affordable SEO services like the Orange SEO Service and many more. If your business is inline with Ecommerce activity you could look for a company that offers ecommerce web design like San Diego Web Design for your business. This is happening for almost 10 years ago, but this years it is prominent. Some of these are online transaction processing like sending money thru electronic banks and etc.
Most of the people that don't have any job are just doing Internet Marketing just to earn some bucks in their pocket. Internet Marketing is one way of earning money in the internet. People just using their resources in earning some dollars, instead their spend their time on how to market some products of the company online. I know one of this is affiliate marketing. They earn some commission on every product that they sell on the customer. It sounds so simple and easy to do but its complicated and you have to spend more time in searching over the internet and search engines.
Just don't be afraid to spend and shop online but also beware of the scams in the internet.