When Microsoft purchased LinkedIN we have been waiting for Salesforce reaction.  So with Microsoft becoming cool again, owning LinkedIN, Dynamics 365 CRM, Office and Azure, it was only a matter ofd time before SFDC tried to compete with this.  They have, they have got into bed with Google and this allows Google the chance to sell G-Suite to SFDC customers.  The battle lines have been drawn.  Interesting what happens as Msft integrate LinkedIN deeper into their product line.  Watch this space