FPID Migration Best Approach ?
1. We have multiple domains on platforms like AEM, WordPress, and Salesforce, all using a common report suite ID. Currently, only AEM is sending the FPID, while the rest are not. Is it best to migrate to ECID now, or should we first implement FPID across all domains before migrating?
2. If we implement FPID across all domains, what are the best practices for using the data stream FPID cookie method or should we create a data element with ECID as the primary ID and FPID as secondary, given that we send ECID to Marketo forms and want to include FPID as well?
What are your thoughts on this, and what is the best approach?