Antonio Rodriguez, who joined Matrix in 2010 after a Matrix-backed company he cofounded was sold to Hewlett-Packard, told us last week that Matrix just raised its biggest fund in roughly 20 years.

You watched the first trailer for “The Matrix Resurrections,” and so did we. If you need a refresher, you can watch it here. Caught up? Good, because we have a lot of questions that need answering. Of ...