June 18, 2025

Puzzle Corner

Ready for a fresh set of puzzles? Click here for the July/August 2025 Puzzle Corner, brought to you by guest editor Ed Faulkner ’03. Send problems, solutions (by August 1), and comments to puzzlecorner@technologyreview.com. Editor emeritus Allan Gottlieb ’67 launched Puzzle Corner in 1966. Find back issues through 2022 at cs.nyu.edu/~gottlieb/tr and more recent back issues at technologyreview.com/puzzle-corner.

August 2023

Nikola CEO steps down, replaced by chairman

August 4, 2023
EV truck maker Nikola Corp said Friday that president CEO Michael Lohscheller is leaving the top executive positions due to a family health issue. He will be replaced by board chairman Steve Girsky, a former GM board member and the CEO of the special purpose acquisition company that merged with Nikola to make it a […]

Spotify introduces new product to help software development teams with with A/B testing

August 4, 2023
Spotify is introducing a new commercial product for software development teams called “Confidence,” which is based on its homegrown experimentation platform. Confidence is designed to make it easy for teams to set up, run, coordinate, and analyze their own user tests so they can quickly optimize their ideas. Confidence is currently only available as a […]

How to Build an Economy-Proof Team

August 4, 2023
In any economic climate, building a successful business hinges on having an exceptional team. But what’s the best way to find those star players?

Israel cybersecurity agency says no breach after senior official self-infects home PC with malware

August 4, 2023
Israel’s National Cybersecurity Directorate said there was “no breach” of its network after passwords belonging to a senior agency official were stolen from their home computer earlier this year and published online. A security researcher, who asked not to be named, told TechCrunch that they recently found the INCD official’s stolen credentials posted in mid-June […]

Even as cloud growth continues to slow, market remains robust in Q2 at $65B

August 4, 2023
Cloud growth has been slowing for a number of reasons this year. Some of it has to do with macroeconomic headwinds causing customers to look to cut their cloud bills, some of it with a maturing market, which comes with an inevitable decline in growth. With the Big 3 cloud vendors — Amazon, Microsoft and […]