Video as a mode of communication is increasingly important in many fields. You don’t need to know fancy editing programs to create one. Adobe Spark is a free, and easy, tool for creating video presentations.
You can share the videos via link: here is my short example. You can also share them easily via social media, and even upload them to YouTube (a tad more complicated; not impossible 😉 ).
(I use this tool to teach popularization of one’s field; I have my students create public service announcements for audiences of their choice on ethical issues pertaining to the class topic.)
Spark also include visualization tools for making memes or flyers. Here are some examples: