Who still uses Salesforce Classic? Apparently a LOT of users have not migrated over to Lightning yet. This per the State of Salesforce 2020 Report from Bluewolf, an IBM Company.
In this video, I share the Lightning Roadmap as well as what, in my opinion, is the most needed Classic Feature that is missing from Lightning.
Lightning Experience Roadmap - https://help.salesforce.com/articleView?id=lex_roadmap.htm
The State of Salesforce 2020 Report - from Bluewolf - https://sosf.bluewolf.com/