Facebook Dating expands, Sonos unveils a Bluetooth speaker and a judge rules that the federal terror watchlist violates citizens' rights. Here's your Daily Crunch for September 5, 2019.

1. Facebook Dating launches in the US, adds Instagram integration

The integration means users will be able to add their Instagram accounts to their dating profiles and add Instagram followers to their "Secret Crush" lists.

If you're wondering how this stacks up against other dating apps, the Secret Crush feature seems particularly interesting: While you won't see your Facebook friends among your regular dating matches, you can list them as a crush that will only be revealed if the feeling is mutual.

2. Sonos gets portable

At six pounds, the Sonos Move is best positioned as augmenting a home setup. It’s a compelling device for barbecuing in the backyard, or taking out to the garage.

3. Federal judge rules that the 'terrorist watchlist' database violates US citizens’ rights

A federal judge appointed by President George W. Bush has ruled that the “terrorist watchlist” database compiled by federal agencies violates the rights of American citizens who are on it.

4. Google launches an open-source version of its differential privacy library

That means developers will be able to take this library and build their own tools that can work with aggregate data, without revealing personally identifiable information either inside or outside their companies.

5. A huge database of Facebook users’ phone numbers found online

The exposed server contained more than 419 million records over several databases on users across geographies, including 133 million records on users based in the United States.

6. Why Walmart’s Flipkart is betting heavily on Hindi

Flipkart's major bet on Hindi — a language spoken by more than 500 million people in India — illustrates a growing push from local and international companies as they adapt their services and business models to go beyond India's urban areas. (Extra Crunch membership required.)

7. Ashton Kutcher, Ann Miura-Ko and Mamoon Hamid are coming to Disrupt!

Specifically: They're going to be judging the finals at the Startup Battlefield, hosted by yours truly.