Rootstech London 2019 is over, but we can still enjoy it.
You can download the syllabi from the presentation list here. Click on the arrow next to the name of the presentation to see the description and a link to the syllabus (if there is one).
There are links for RootsTech London 2019 Keynotes & General Sessions and some selected Sessions here. More videos from past RootsTech presentations can also be found on that page.