Computer Science (CS) enrolments at higher education institutions across the globe remain low in comparison to other disciplines. The low interest in CS is often attributed to students’ misconceptions about the discipline, such as CS being construed as complex, asocial, and only for computer wizards. Consequently, hackathons, which are self-organised programmes that bring together different sta...

The Hansen-Lunde (HL) research program is generally first-rate, displaying a rare blend of theoretical prowess and applied sense. The present paper is no exception. In a major theoretical advance, HL allow for correlation between microstructure (MS) noise and latent price. (I prefer “latent price” to terms such as “efficient price” or “true price,” which carry lots of excess baggage.) In a para...