Remarketing technique in Google adwords. 1) Create new campaign 2) select display campaign 3) then select remarketing options 4) select one more options for when start remarketing campaign
Re-marketing is that traffic which has already visited on your ads and show interest. What happens sometime, we want to buy something and see any ads that is related to our research but could take decision of instant buying. So that kind of users are best to target for getting conversion. and targeting to old traffics called re marketing.