Introductory vendor-reported
The opening post of the vLEIDA newsletter (subtitle 'An Intro To Our Newsletter'), explaining what KERI is, why it is needed compared with certificate authorities and OAuth-style login, and the company's three theses about building products with KERI. It points readers to the ToIP working group and the WebOfTrust community, and is for newcomers and prospective business contacts.
Found through KERISSE, the KERI Suite Search Engine (Kor Dwarshuis and Henk van Cann), whose dataset is the source of the documents the base indexes.