https://newsletter.x4g.io/ 2026-05-05 https://newsletter.x4g.io/authors 2026-05-05 https://newsletter.x4g.io/authors/georgios-panagiotopoulos 2026-04-30 https://newsletter.x4g.io/p/the-grid-is-the-bottleneck 2026-05-05 X4G Newsletter en 2026-05-05T14:08:16Z The Grid is the Bottleneck. Here’s How to Model It.