'''Dynamic Keyword Insertion(DKI)''' <ref>{{cite web|title=Using Keyword Insertion|url=http://support.google.com/adwords/bin/answer.py?hl=en&answer=2454041|publisher=Google Adwords|accessdate=2 September 2012}}</ref> is a feature provided by Google Adwords, Microsoft MSN and Yahoo to dynamically insert a keyword that are most relevant to the ad to be displayed. It helps advertisers to use relevant keywords on their ads while making it more easier for them to create unique ads for a large number of keywords.