definition of marketing by different authors from year 2000

Answer 1

1. Go to https://www.google.com or https://www.duckduckgo.com

2. Type in definition of marketing in 21st century

3. Press the Enter key.

4. Read, read, read, and take good notes, including notes about any websites from which you copy information.

Answer 2

I my definition of marketing according author and year published