Jeffery Heer gave a great talk at OpenVisConf earlier this year on the whole vega ecosysthem<p><a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=GdoDLuPe-Wg" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=GdoDLuPe-Wg</a>