What is the reporting library?

A resource that offers dozens of canned reports built around marketing best practices
A reporting add-on feature you can buy for an additional $300 a month
Dozens of canned reports that help you dig a little deeper into your data — only currently available to HubSpot Admins
The section of your public library where HubSpot developers sit when creating the HubSpot reporting tools

The correct answer is:

A resource that offers dozens of canned reports built around marketing best practices.