What is Digital marketing and why Digital marketing is helpful for business ?

Digital marketing is a platform that allows people to run startup or existing off-line business to online. Digital marketing service basically used to promote and advertised your business online.At future time Digital marketing is compalsary to all businesses weather online or offline. In international company already used digital marketing for promotion and advertised your business. In India mostly 20% company used Digital marketing for promotion and advertised in your business. Digital marketing services helpful for local and small businessman to run and grow business online in local areas to city,city to state,state to countries.