An "informative webinar" refers to an online presentation or lecture that aims to provide helpful and educational information to its audience. Full definition
Many colleges and universities offer informative webinars; online communities; even local networking events. (careerintelligenceresumewriting.com)
It's a huge privilege to interact with leading experts in the publishing industry and work with them to create informative webinars geared to helping indie publishers. (ibpa-online.org)