This can happen as noted in the docs: Get Lead Activities » Marketo Developers There may be additional results, but the database search for activities was halted to return in a tim...
This is set through the field acquisitionProgramId. You need to know the ID of the program which you can get with the program api: http://developers.marketo.com/documentation/progr...
It's because of the usage of the createOnly action. createOnly will only work when the key is unambiguous. It will work fine if you use createDuplicate, or if you use a different u...
This won't work for emails, since Javascript doesn't work inside of almost all mail clients, but twitter has a few native capabilities for this here: Embedded Timelines | Twitter D...