Well... You could try to change your perspective about "problems". The thing here is that we are often told that problems are something that drives everyone crazy, but in most cases a problem is something that you are so used to that you don't even think of it as a problem.
For example: Is it a problem to wait 3 minutes for a cup of coffee? Perhaps not. But would it be better to get your coffee with just 2 minutes of waiting? In this case we don't perceive the situation as a problem, but in contrast with a better scenario we can easily understand the first situation as a "problem" or ar leat "less better"
With find a problem and sell the solution you look out for really small problems that everyone has or enormous problems that 0.1% of people have but are willing to pay tremendous amount of money to solve it, even if they don't realize the problem.
I can give you some real life examples:
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A construction company made a mistake during the foundation process and the cost to out everything down and start again would be something around 2M. They decided to hire a specialist in the field to see what could be done. In the end the consultant gave a solution that would save months of work for just 700k. He was paid 200k for his advice.
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In my country we often see homeless people on the street with a bottle of water and soap, a sponge, and a squeegee. They wait for the traffic light to go red and go clean some car windows to get a few bucks. Dirty windows are a common and small problem.
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A home owner needs money to pay some medical bills but can't manage to find someone to buy his house and that's why he decides to ask for a real state agent to sell it for him in exchange of commission.
In general we are always solving problems and being paid for that. The description of a job is exactly what kind of problem the business already know about and are willing to pay for someone to care of it.
Of course a genius is born from time to time and his ability to track problems and find solutions is beyond our comprehension but we don't need the mind of a billionaire to earn a great living using the concept of finding problems.
Everything is a problem and nothing is a problem.
We don't necessarily need an iphone to call family and friends, but still we perceive the lack of iphone as being a problem, and that's why we buy it.
I hope it helps.
Well... We could start reviewing our perception of philosophy due to the amount of external interference towards our thinking process.
I am not saying that we are living in an era that our thoughts are guided by external factors, because in fact the human thinking has always been like that. The only difference is the amount of interference we can provoke these days.
To be more precise we still have people producing thoughts the same way as Seneca or Aristotle, for example, but the trend way of thinking is changing and we are not aware of it because it this process takes more time than our own generation.
Let's consider the work that Nietzsche did. It's easy to consider him a genius because he could see the thinking process that would take place to his generation and that's why a lot of teachers mention his work during these days.
To understand what I am saying it's important to perceive the idea of social thinking. We are individuals that have individual thoughts, but we build the world around those thoughts. The concept of social thinking (I don't know if someone has used this terminology before) is related to the combination of multiple individual thoughts. So society, as a whole, is thinking and planning its own future without noticing it. There is a living organism which is you, and a living organism which is the society.
So... I could guess that the world is going towards a cyberpunk aesthetic, and cultures around the globe are going to perceive this aesthetic by its own perception, same with the individuals. Important topics that confirm this idea:
And so on...
Answering your question "where is the next 'it' place?" Probably Japan.