More and more people are learning about the bitcoin it's values and earnings.  When people get in contact with the persons who are already engaged in this crypto currency business or they get news about the bitcoin from news papers/channels and after knowing that many persons have already earned lots of funds by working in this business or by investing in it; so they get motivated and start trading / investing in the bitcoin or start working in the bitcoin to earn the same for themselves.  So the community is rising day by day.  It is not only good for the people who are working in it or who are investing in it but it is good for the health and rising value trend of the bitcoin.  It is simple economic formulae that demand and supply of the commodity decides the price/value/cost of certain commodity.  So with the increase of bitcoin community demand of the bitcoin is also expected to grow upwards ultimately pushing the value of the bitcoin upward.