5 online businesses that can make money in 2018

Everyone want to do business because it gives freedom to work.  However this luxury requires more commitment.  Using Internet for business is common practice.  You can set your business for less cost. Any business can be started using computers and mobile phones. Now Internet is not only information highway but it's like a big supermarket, very large beyond our imagination. If you planning to do business on Internet aka online business here are some profitable ideas.
1. App Development: In coming days everyone will need an app.  In fact all size business. People will like to download a service provider app instead of asking for a business card or phone number. Whatsapp is going to be major player in this market.  It's business version is already rolled out. However if a company has personalize app people like to download it so they can do more like making a service request.  Today app is so crazy that when I tell students I have a blog www.careercare.info and content is free to read many ask do you have an app???
2. Videos: YouTube is creating enough noise. If you upload loads of videos you can become a celebrity.  It's a social media of very large size. However,  every business need its own identity.  If you can create instructional videos people will like to buy your skills.
3. Ebooks Publishing: Generation  Z will be on laptops,  tablets and smartphones.  How much money Amazon Kindle has made I don't know. But if you can publish ebooks there shall be no shortage of authors. Amazon self publishing is there but books from Authors when come out of a publication holds more authority.
4. Interaction Design: This is going to be huge. Every business shall need skills of instructional designers. Today there is enough noise.  Massive content is published every minute. Interactive content is the winner.  There is no shortage of knowledge but what matters is putting knowledge in presentable format.  Content cannot be eye grabbing without good design. So people spend more time on your business interaction will be key.
5. Online Marketing: Markets are truly dense. User is not able to find right product in the supermarkets.  There is no shortage of product but grabbing a suitable product is really tough.  If you can reach to right consumers online marketing has huge potential.  However  chose with caution as noise is deafining.