You could explore the archived content from the Strange Loop conference (or another conference of your choice). Topics run the gamut of what's interesting and trending in "languages, libraries, tools, and techniques." Another approach that might help you find jumping off points for topics would be to review how we got here with a book like Ideas that Created the Future: https://mitpress.mit.edu/books/ideas-created-future. If you're primarily interested in opinionated lists of new libraries and stacks, Thoughtworks' Technology Radar https://www.thoughtworks.com/radar is a nice compilation that's updated on a somewhat regular basis.
You could explore the archived content from the Strange Loop conference (or another conference of your choice). Topics run the gamut of what's interesting and trending in "languages, libraries, tools, and techniques." Another approach that might help you find jumping off points for topics would be to review how we got here with a book like Ideas that Created the Future: https://mitpress.mit.edu/books/ideas-created-future. If you're primarily interested in opinionated lists of new libraries and stacks, Thoughtworks' Technology Radar https://www.thoughtworks.com/radar is a nice compilation that's updated on a somewhat regular basis.