Women’s March Gives Boost to Start-Up for Bus Sharing

By KATIE BENNER

Skedaddle, which has an app that lets an individual create or join a trip on a chartered bus, will transport about 11,000 people to the march.

Political Crisis Engulfs Samsung, a Firm Tied to South Korea’s Success

By PAUL MOZUR

Prosecutors have called for the arrest of Jay Y. Lee, the de facto head of Samsung, one of the country’s top companies.

Tech Tip

Joining the Windows Testing Team

By J. D. BIERSDORFER

You don’t have to be a developer to get a sneak peek at unfinished versions of Windows, but make sure you have the hardware to spare.

Bits

Daily Report: As Donald Trump Ascends, Tech Firms Stand to Get a Lift

By PUI-WING TAM

Washington is expected to fill up with supporters and protesters for the inauguration, and companies big and small are set to do brisk business.

Hans Berliner, Master Chess Player and Programmer, Dies at 87

By DYLAN LOEB McCLAIN

The ex-computer science professor, a correspondence chess champion, won what has been called one of the greatest games ever. It lasted three years.

Tech Tip

Making Twitter Lists With Android

By J. D. BIERSDORFER

You can sort Twitter accounts into themed lists on your phone, tablet or desktop.

Critic's Notebook

Trump, Twitter and the Art of His Deal

By AMANDA HESS

President-elect Donald J. Trump has always been hooked on recognition. More than ever, tweeting has given him a fitting outlet.

SpaceX Launches Rocket, Its First Since Explosion on Launchpad

By KENNETH CHANG

The return to business for Elon Musk’s company was successful, despite being overshadowed by questions about the viability of his long-range plans.

China Orders Registration of App Stores

By PAUL MOZUR

The order from the Cyberspace Administration of China is the clearest sign yet that Beijing is pushing to solidify control over mobile apps.

Farhad’s and Mike’s Week in Tech: Thiel, Tech Companies and Trump

By FARHAD MANJOO and MIKE ISAAC

While Facebook ponders its place in the news industry, tech companies try to stay on the good side of the president-elect.

The Robot That Performed My Kidney Transplant Declined to Be Interviewed

By TIFF FEHR

How donating a vital organ to a fellow “news nerd” helped a Times data journalist overcome postelection Twitter fatigue and gain a better understanding of robot p.r.