Newsletters from the HBR, Sloan

I see that HBR has set up some 15 technology and management topic newsletters.  This is similar to what MIT has done with a number of topics.  These newsletters are mores scannable than blogs.  Also can be more up to the minute topical.  A look into the future?  Unclear if this is free, but appears to be.   Interesting to this group, this newsletter:

Managing Data Science
An eight-week newsletter on making analytics and AI work for your organization.  ...