Here's your TnB Tech minute for Tuesday, May 7th.

I'm Alex Osala for the Wall Street Journal.

Tic-Toc has filed a lawsuit challenging the constitutionality of a new law that requires a sale or ban of the popular social media app.

The suit filed directly with the Federal Appeals Court in Washington, D.C. seeks a court order preventing

the U.S. from enforcing the law signed by President

Biden last month that bans Tic-Toc in the US unless its parent company

Beijing-based bite dance divest itself from the platform by mid-January.

Bightance has said it can't and won't sell its US opportunity. sell from the platform by mid-January.

Bightance has said it can't and won't sell its US operations by the deadline.

The lawsuit accuses the government of trampling on Tik-Tock's First Amendment rights,

as well as the free speech rights of millions of Americans under the banner of national

security.

Self-driving car startup Wave Technologies has raised more than $1 billion from investors.

The London-based company said that SoftBank led the funding round,

with new investor Invidia and existing investor Microsoft also contributing. Wave specializes in

so-called embodied artificial intelligence for autonomous driving,

which allows vehicles to interact with, comprehend, and learn from human behavior in real-world environments.

The technology could improve the usability and safety of self-driving cars, the company says,

by allowing autonomous systems to learn to navigate situations that don't follow strict patterns or rules.

And, Reddit posted higher revenue and a wider loss for the first quarter as IPO-related costs

weighed heavily on the social media company.

The company which went public in March said revenue grew 48 percent from a year ago to $243 million.

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