Why do some of my eBook+ titles have a Notes link, while others do not?

Customers who had utilized notes on the Inkling platform will find their note links next to the eBook. It's important to note that this feature pertains only to past notes taken on Inkling and is not applicable to future notes. On the Elsevier eBooks+ platform, we have introduced a dedicated note-taking solution, which you can explore by clicking here.