Take your time and generate an idea from your experiences
There are several effective ways to complete this task. You can read a book, play football, draw a portrait, and play a board game among other things. However, you should do stuff that makes you think and then concentrate that force into creating an idea or concept. Visit different environments that are outside of your safety zone to get exposed to all walks of life. Also become involved in your hobbies and habits. This will aid you with coming up with a good idea. Moreover, do not rush into any idea to avoid any mishaps. Make sure you think long and analyse things the way they are.
Be aware of your capabilities
You should be aware of your potential and limits. Knowing these important factors will assist you concentrate on your thought process. For instance, if you are thinking about cell phones, but have not much expertise and knowledge about them other than your normal use, it will be hard to generate a marketable idea for new cell phones. Be reasonable in your choices and do not get carried away at any point of time. Nevertheless, you can experiment once you learn the art of idea generation.
Keep track of your ideas
Know that ideas can come up on your mind at any odd time. Therefore, it is best to carry a notepad and write any ideas that you think of. This will help you keep track of all ideas and process them further. See what kind of businesses interest you and you can excel at. Do some research about the problems linked with your line of business and how they can be solved through your idea’s approach?