Technology play an important role in Digital Marketing and advertising. Explain with examples?

I think not only important role but technology is the only way to digital marketing and advertising. sitting in chair and with tips of your fingers you let the world know about your products. what's more important is the time it saves for you. 

Mobile user online ad investment

It is one of very good question which I received this week.

Technology is overall strength of Globalization, things make more easy to happen at any part of the world by finger tip.

 For instance : Bulk mailer software - One click, thousands of email will go to various companies , individuals or groups. The subject matter could be anything such as Company profile or Advertisements.