In the following years, we will start to use built in solar powered mobile gadgets, mobile phones, laptops and etc. Simple calculators were first powered with solar in 1978 back than it has been more than 30 years. Well I think history is repeating itself once again just changing the scale as usual. Business ideas which made up calculators solar powered was quite successful.
I believe everyone who is reading this article once had or used a similar solar powered calculator. So soon we will all have or use a gadget which is solar or dual powered. I already saw many different chargers for mobile phones which has photovoltaic cells on. Investors should start working on it.