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

Symmetry raises $18M to bolster organizations’ data security programs

August 9, 2023
As organizations embrace cloud services — and are forced to confront changing regulations and data use standards — their ability to maintain control of data security frequently becomes strained. If they lose that control, the consequences can be quite severe. The average cost of a data breach is about $3.86 million (per IBM), and most […]

Aiming to boost retention, Threads now hooks into Instagram DMs

August 9, 2023
Despite declines in user retention numbers following its buzzy, record-breaking launch, Instagram’s Twitter (er, X) competitor Threads continues to ship new features. The company today announced a handful of updates to its new app, including one that could hook Instagram users into returning to the Threads app. That new feature, “Send on Instagram,” allows a […]

Want to pay less for your X ads? Just place them next to spam

August 9, 2023
X says it has “delivered a decade’s worth of innovation focused on creating an engaging and healthy environment” since Elon Musk’s acquisition. Sure! Everyone knows that when you think about X, you immediately think of closing a tab the twenty fourth letter of the alphabet porn Ed Sheeran’s second studio album, X, which peaked at […]

Gmail app gets highly requested native translation feature

August 9, 2023
Gmail for Android and iOS devices finally launched a native translation capability that detects a language and translates the email automatically. The feature has been a staple on the desktop version and is currently compatible with 100 languages. Google announced the exciting news on its Workspace Updates blog, saying that it’s been a “highly requested […]

Astranis gives its “secret satellite” a formal introduction

August 9, 2023
When news broke last month that Astranis’ first commercial satellite in orbit malfunctioned, the company made an unexpected announcement: it had a backup. That backup is called UtilitySat, and the company is finally ready to give it a formal introduction. UtilitySat is aptly named: as Astranis CEO John Gedmark explained in an exclusive interview with […]

72 hours to save on passes to TechCrunch Disrupt 2023

August 9, 2023
Press pause on procrastination, and you’ll be rewarded with the sweet sound of cha-ching! We’re in the 72-hour window, folks — that’s all the time you have left to save on passes to TechCrunch Disrupt, taking place September 19–21 in San Francisco. Save $600 on passes to TechCrunch Disrupt 2023 Prices will go up on […]