Nowadays many people are starting to invest money on bitcoin or the buy bitcoin..is this a good approach?
to buy bitcoin with money? yes it is good as long as you are not investing all your life savings in bitcoin. just invest as much as you can afford to lose. and hold it in cold storage long term.
How this will influence us in future?
who is "us"?
yes...... if you have a lot of money it is better to invest it in bitcoin and you know that your money will double if the price of bitcoin will be getting higher.