In today’s letter: An elevator encounter with FCC Chairman Ajit Pai, a harrowing tale of phone-number hijacking, the future of the honey-do list, a vivid explainer of Google’s vast, opaque ad machine and more. But first ...

To the CTO of Disney Streaming Services, who showed me around the Disney+ app a few weeks ago: I’m sorry.

I’m sorry for not listening to much of the demo of the new streaming service and instead making a mental list of all the Disney and Pixar classics I’m going to watch with my son when the $6.99-a-month service launches Tuesday. “Toy Story,” “A Bug’s Life,” “Frozen,” “Cars,” “The Little Mermaid,” “Finding Nemo,” “The Lion King”... I could go on (and trust me, I will).

The Disney+ apps I saw were well designed, with nicely organized menus and high-quality video and audio playback. But let’s face it, the so-called streaming wars really aren’t about who holds the best technology but instead who gives us the best stuff to watch. Let’s just hope 🤞 your servers are ready for the coming onslaught of viewers, Disney—this ain’t the Netherlands.

It’s a new game for Apple, whose first lineup of Apple TV+ shows certainly wouldn’t have people camping outside Apple stores. The real goal? Keep its customers spending $4.99 a month on more stuff to watch—and buying more iPhones. It’s a different game for the Disneys, NBCUniversals and WarnerMedias, which aim to reinvent their media businesses to compete in the age of Big Tech. My colleagues Amol Sharma and Joe Flint broke down all the new players’ motivations.

Regardless of the intent, there’s about to be a lot more for us to watch and a lot more subscriptions for us to spend our money on. This is why came up with my 5+ Rules for the Streaming Age. The most important rule: Only spend money on stuff you know you’ll watch. So yeah, take my money, Disney+.

—Joanna is WSJ’s Personal Technology columnist and elevator interviewer extraordinaire, based in New York.

WSJ’s Joanna Stern “bumps into” FCC Chairman Ajit Pai and asks him about why she still gets robocalls, the battle over net neutrality and what he thinks 5G will do for the average consumer.

But don’t expect the Vision Fund to change its investment strategy, the fund’s finance chief says.

Meanwhile, as big banks including JPMorgan Chase and Goldman Sachs jockeyed for roles in WeWork’s planned IPO, they also arranged giant fees and strict protections amid concerns about the company’s business model and Adam Neumann’s unpredictable behavior.

Copy Cats: Xerox has made a cash-and-stock offer to buy HP, a deal—which has yet to be reached—that would join two household names with storied pasts that have been trying to retool their businesses as the need for printed documents wanes.

G Is for Growth: Qualcomm signaled a strong year ahead for 5G phone sales, suggesting its fortunes would turn despite the U.S.-China trade dispute and a slower pace of handset releases that have been a financial drag in recent quarters.

Threat Detection: In the months before acquiring WhatsApp in 2014, Facebook executives described the messaging service and others like it as a threat to the company’s core business, offering potential evidence to regulators in the U.S. and Europe that are pursuing antitrust probes into the social-networking company.

The first hint that Michael Terpin was about to have his digital life turned upside down—and lose a cryptocurrency windfall potentially valued at $24 million—seemed like an unremarkable annoyance. His mobile phone lost its signal.

But Mr. Terpin wasn’t driving between cell towers. He was working at a desk in his Las Vegas home. Way off in Norwich, Conn., someone had just taken over his phone number.

Within minutes, the hackers began trying to take over his Gmail accounts, using Google’s “Forgot password?” account reset feature. With access to his phone number and email, they were quickly able to steal millions in cryptocurrency from digital wallets Mr. Terpin believed to be secure.

Keep reading the piece by WSJ’s Robert McMillan.

• Thousands of college kids paid to work for a viral party kingpin. What could go wrong? (NYT)

• Yelp CEO Jeremy Stoppelman’s long battle with Google is finally paying off (BuzzFeed)

• The new bachelor party is a weekend of video games (Kotaku)

• 🎬 VIDEO: The infuriating truth behind elevator buttons (The Verge)

To keep things fair—or at least to avoid fights—couples are using project-management apps designed for the workplace to divvy up and track household tasks and reserving a portion of their date nights to compare chore loads, writes Julie.

Joanna recommends Reelgood (available on iOS and the web) or JustWatch (available on iOS, Android and the web). Both have sucked in the giant databases of all the services, including Disney+. You input your subscription services, then search what you want to watch. They tell you where you can stream it—with active subscriptions appearing first.

We dug into Google’s vast, opaque ad machine, and in a series of graphics, show you how it all works—and why publishers and rivals have had so many complaints about it. Check out the explainer by Keach Hagey and Vivien Ngo.

• Google is in discussions about changing its political ad policy, about a week after Facebook and Twitter publicly diverged on how to handle those ads amid the spread of misinformation.

• TripAdvisor, Expedia Group and Booking Holdings are struggling to navigate shifts in how Google delivers information to consumers who use its search engine to plan travel.

• 🎬 Political candidates are embracing new technology as a better way to reach voters, but political ads come with new challenges for Google, Twitter and Facebook. In a video, WSJ’s Emily Glazer breaks down new technology enabling candidates to advertise on Google, Twitter and Facebook, and the challenges they bring.

If this were the future of driving, we all would have sore hamstrings and great glutes. WSJ’s Matthew Kitchen has some thoughts about Nintendo’s latest exercise device, the Ring-Con.

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Brought to you by personal tech editor Wilson Rothman and tech news editor Bowdeya Tweh. You can email them at wilson.rothman@wsj.com and bowdeya.tweh@wsj.com or find them on Twitter: @wjrothman and @bowknowsbiz.