Infographic is the best way to represent your idea in proper way. It attracts all the visitors on your topic. You can use infographic on your blog, website, school project and business proposals.
How to design this infographic?
Common answer will be Photoshop or Gimp. But all these need designing skill and lots of time.
There are several online applications available now from where you can easily design your infographic with no graphical skill. Here are some of those websites listed below.