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

GoStudent adds another $95M to its war-chest to go after VR and AI-enhanced tutoring

August 3, 2023
GoStudent — the late-stage tutor marketplace that has raised $686.3 million so far – has now raised another $95 million in what it calls as strategic fundraise from Deutsche Bank, and other investors including Left Lane Capital, DN Capital, Tencent, Prosus, DST, Coatue and Softbank Vision Fund 2. The raise was described as a mix […]

AI.com flips from ChatGPT to Elon Musk’s X.ai

August 3, 2023
There was a bit of a hubbub in February as it emerged that OpenAI had seemingly purchased AI.com in order to redirect it to the ChatGPT web interface. But now erstwhile backer, Twitter haver, and X lover Elon Musk appears to have taken the valuable domain off their hands, or else someone has done it […]

Apple services growth continues to counter iPhone sales slide in Q3

August 3, 2023
Apple’s Q3 earnings presented a mixed bag for the company, as iPhone revenue continued to slide. The handset brought in $39.67 billion for the quarter, down from $40.66 this time last year. The drop certainly isn’t an anomaly amid an overall declining smartphone market. Once again, however, the hardware slowdown was blunted by the company’s […]

Nikola finally gets enough shareholder support to issue more shares

August 3, 2023
After three attempts and a change in Delaware law, EV truck maker Nikola was able to get enough shareholders to vote on a proposal that will allow it to issue more shares . Nikola said Thursday it received the requisite number of votes to pass a proposal that authorizes the board to issue more shares. […]

Coinbase Q2 earnings exceed estimates, signaling potential market recovery

August 3, 2023
Coinbase reported its second quarter earnings Thursday afternoon after the bell, beating market estimates. During Q2, the second largest crypto exchange by trading volume generated total revenues of $707.9 million, down from $772.5 in the previous quarter and $808.3 million in the year-ago quarter. It also had a $97 million net loss and generated a […]

BMW is pumping more cash into EVs ‘than originally planned’

August 3, 2023
As far as sales go, BMW still lags well behind Tesla on the electric-vehicles front, but the German automaker is arguably making strides. BMW told investors Thursday that EVs made up 12.6% of the firm’s total deliveries during the first half of 2023, up from 10% for the entirety of 2022. BMW aims for its […]

Credo AI, GitLab, Numbers Station will put the AI in SaaS at TechCrunch Disrupt 2023

August 3, 2023
The global hype surrounding the potential benefits of AI has captured the attention of the business world and beyond, so it’s no surprise that new and existing SaaS startups are integrating it into their products. According to one recent survey, 35% of SaaS businesses already use AI, while another 42% plan to in the near […]