>> CEO Mark Zuckerberg at Facebook's developer conference tried to get back to business Tuesday after the controversy after a massive data privacy breach. And as it turns out, Zuckerberg wants to get even more involved in users' personal life with a new dating service. Reuters Facebook watcher David Ingram.
>> Facebook is building this dating service around events. So that if you have a dating profile set up on Facebook, you can look at events in your area, browse other attendees, and then send them messages. You'll only be able to send and receive texts and not photographs, that's sort of addressing safety concerns.
And that you'll have to opt in to be able to use their dating service, that it won't be kind of automatic enrollment for single people. And their activity from the dating service will not show up in the newsfeed on Facebook.>> Word a giant player's jumping into the dating market causing heartbreak for some investors.
Shares of Match Group, the owner of popular dating app Tinder, plunged as much as 24% in its biggest one-day tumble ever. Zuckerberg also used the conference to address lingering concerns in the wake of the Cambridge Analytica scandal, unveiling what the company is calling, quote, clear history.>> So you're gonna be able to use this tool to see the information about the apps and websites you've interacted with.
You'll be able to clear all this information from your account. And you'll even be able to turn it off, having this information stored with your account going forward.>> But in a reminder that the scandal is not going away anytime soon, the UK Parliament on Tuesday taking an extraordinary measure, ordering Mark Zuckerberg to come testify or face a summons the next time he enters British territory.