Personal Plans

Anyone have any further documentation or End User Instructions on how Personal Plans as mentioned in 

MC677519 — Personal Plans in Planner

will work?  The MS Documentation site and Graph API beta is still not showing any reference to how a regular end user will create their own Personal Plans.
Without UI and relying on Graph API for regular folk is going to be a struggle for most.
Due to many limitations about File attachments and such, I am not finding much benefit in having what MS is considering "Personal Plans"