Tech Unicorn Tracker

Coalition of state attorneys general launch probe into whether TikTok harms children and teens

The probe, announced in a news release from Maura Healey's office, will examine whether the company's practices violated state consumer protection laws and put the public at risk. 3:47 p.m.

Google employees in Cambridge will return to the office April 18

The company said employees will have “six weeks to help transition,” and most will work from the offices three days a week. 3:30 p.m.

This Massachusetts laser maker could be hurt by Russia sanctions

Oxford-based IPG Photonics, a pioneer in developing fiber lasers, employs about 2,000 people in Russia and Belarus. It was founded by the late Russian emigrant and physicist Valentin Gapontsev. 8:58 a.m.

INNOVATION BEAT

Local tech VC gives cash to refugees at Ukrainian border

Semyon Dukach, a Soviet refugee-turned MIT blackjack player-turned tech VC, flew to Romania with a simple plan: Try to help Ukrainian refugees. 7:30 a.m.

State unemployment agency will stop using face recognition to check identities

The Massachusetts Department of Unemployment Assistance says that in the coming weeks it will stop using facial-recognition technology as a way for people to prove their identity when signing up for benefits. 2:12 p.m.

INNOVATORS Q&A

New app aims to change the status quo in bidding for construction supplies and services

Two Rhode Islanders have recently launched Dibbs, which they say is the first in the construction industry to serve as a marketplace for contractors, suppliers, and others. 6:00 a.m.

CarGurus stock soars amid used-car price boom

The Cambridge company reported fourth-quarter results that far exceeded the forecasts of Wall Street analysts. Its stock leapt 44 percent on Friday to $46.44, the highest level in more than three years. 5:04 p.m.