iRobot unveils a new Roomba, the U.S. Justice Dept. says it has "growing concern" around social media and Upwork files to go public. Here's your Daily Crunch for September 6, 2018.

1. iRobot's new Roomba knows where it's going

While the new Roomba looks like a Roomba, iRobot co-founder and CEO Colin Angle said the product represents the culmination of the company's nearly 30-year existence.

"This is the thing," Angle told us. "This is the Roomba I've always wanted to make."

2. Justice Dept. says social media giants may be 'intentionally stifling' free speech

Apparently Attorney General Jeff Sessions has expressed a "growing concern" that social media giants may be "hurting competition" and "intentionally stifling" free speech and expression. The comments came as Facebook COO Sheryl Sandberg and Twitter CEO Jack Dorsey gave testimony to the Senate Intelligence Committee.

3. Freelance marketplace Upwork files to go public on Nasdaq as UPWK

Upwork's IPO is yet another mark of the bigger swing we've seen of privately-backed tech companies turning to the public markets for their next cash infusions for growth, this week alone seeing listings for Elastic and another freelancer behemoth, Meituan in China.

4. Take Peloton-style classes through a smart mirror

The New York-based startup came out of stealth onstage today at TechCrunch Disrupt. The hardware combines an LCD camera, one-way mirror, microphone, speakers and camera to provide a two-way interactive experience.

5. Insight Venture Partners buys content management platform Episerver for $1.1B

The company said it would use the money to fuel its plans for global expansion.

6. Google announces 'Dataset Search' to help scientists and journalists tell stories

With Dataset Search, Google is aiming to adapt its Google Scholar search scheme to help data geeks and researchers sift through this data in a single search bar.

7. Kids' gaming platform Roblox raises $150M

The company didn't disclose its valuation in the announcement, but a source with knowledge of the deal told us that it valued Roblox at more than $2.5 billion — the same price Microsoft paid to acquire Minecraft four years ago.