Twitter will suggest the appropriate ad format to advertisers using the self-serve tool. The company said the launch aims to encourage brands to think harder about campaign objectives in order to lift ...

Throughout the coming months, we will be expanding campaign planner to support more objectives ... their Twitter Client Partner. You can access the Campaign Planner from your Twitter Ads account.

Twitter also cites a Nielsen study that finds using 3 or more ad formats increases campaign awareness by 20% and purchase intent by 7%. Carousels are available across all Website & App objectives ...