The question then becomes, how can you take advantage of this massive surge of spending happening every second of every single day online? The truth? Whether you're looking to start a simple online business as a side hustle, or you're quite literally looking to get rich and make an exorbitant amount of money online, there are 7 businesses that simply can't be overlooked. 

You can sell anything online to make money. The better question is what you should sell online that you’re interested in. It also depends on your goals. If you’re just trying to get some extra money now, then clothes and electronics are a good bet. If you want to open a store and sell things online full time, then you’ll need to explore your options based on your interests.
If you are a software developer of course the internet is your strongest marketing platform. There is a large market for software on the internet. All you need to do is to look for a task in the IT world and then build a software to help simplify the task. For example; you can develop a software that will help people manage their clientele base (CRM software), you can develop software that will help people manage their payrolls, accounts, online files et al.