The only factor which remains consistent is "CHANGE" if we look into the existence of the world, it s gone through many changes, the needs of people havebeen changed with the journey of time, in early periods, and human existence only requires food and shelter. It is said, human upgraded to the smarter level as soon human knew how to light up the fire,We can say the earliest achievement was the fire. Human has developed its self with time, the invention of boards, the wheel, are one of the foundations which clearly declares the ultimate success toward modernism. The industrialization has changed the prospects of things; it boosted the standards of living. The basic benefit was that it worked for the assessability of goods to all classes of human society.
According to my experience, there is a no legally way to buy a list of phone no. but if you are from India then you can find categories, city wise from JUST DIAL, here you find all contact with their address and it helps you to grow your business. If you buy from somewhere then it’s not guaranty they all no. is correct. So, I suggest don't buy from anyone
Once you've collected your mobile numbers, verified that you have followed all of your legal responsibilities you can start your SMS marketing campaign. I'd suggest using a 3rd party service provider to ensure that you are able to track the return on investment for your campaign, embed an unsubscribe message, and easily manage your SMS marketing database including unsubscribes.