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.

Motorola’s Rizr is back as a concept phone with a rollable screen

February 27, 2023

Three years after the debut of its wildly popular Razr phone, Motorola gave the world the Rizr. While beloved by many, the product never managed to capture the same level of cultural cache as its predecessor. The two devices shared some key design languge, with the Rizr distinguishing itself by way of a display that […]

Motorola’s Rizr is back as a concept phone with a rollable screen by Brian Heater originally published on TechCrunch

Here’s how every social media company is trying to adopt subscriptions

February 27, 2023

For the longest time, social media companies have rallied on the fact that their service is “free” to use. All these companies banked on showing ads and getting some user data in return to let them use social networks without any charge. Now with declining revenues and tough global economic conditions, social networks are resorting […]

Here’s how every social media company is trying to adopt subscriptions by Ivan Mehta originally published on TechCrunch

Dish hit by multi-day outage after reported cyberattack

February 27, 2023

U.S. satellite television provider Dish is experiencing a multi-day outage after a reported cyberattack, with customers unable to access streams, services or their accounts. The disruption began early on Thursday when Dish customers said they could not access their television services or pay their bills. The outage appears to affect Dish’s main websites, apps, and […]

Dish hit by multi-day outage after reported cyberattack by Carly Page originally published on TechCrunch