# I - Start your Adloop discovery! ### What is Adloop? Adloop is a data marketing hub and, at the same time, a set of features designed to make digital marketing professionals' lives easier. !\[Adloop Iverview]\(.gitbook/I - adloop\_overview\.png) #### It all starts with data Adloop does not collect data itselft, but we are retrieving data from external sources such as : * Your **Ad Platforms** , that provide data generally called ***Ad-Centric*** : impressions, clicks, ad spends, ad name, campaign type etc.. * Your **Analytics** tool feed Adloop with behavioural data on your websites and your apps ( ***Site-Centric*** data) : pageviews, add to cart, account creation, purchase, sources of traffic etc. * Your **CRM** or **transactionnal** apps, used for identifying clients or prospects, communicating with them, knowing what they bought etc. This is ***User-Centric*** data. 0d48fb58-907b-4e9f-a908-0e9372c035d6DECIDEDbc6e6512-26fe-45f4-b6ac-9a89e8b11a77The Data Source **Adloop Tracking & Attribution** will collect data that are specific to Adloop. It must be activated in order to enjoy the **Attribution** and **Recommendations** features. * The Data Source **Adloop Tracking & Attribution** will collect data that are specific to Adloop. It must be activated in order to enjoy the **Attribution** and **Recommendations** features. All those data are sent to Adloop thanks to API data connections without any manual intervention. To connect a Data Source to Adloop, go to the **Data Sources** menu! ### Introducing Adloop