Feb 28, 2019

BlackBerry sues Twitter over messaging patents

Twitter headquarters in San Francisco. Photo: Kim Kulish/Corbis via Getty Images

BlackBerry on Wednesday sued Twitter, alleging it infringes on several messaging-related patents.

The big picture: Having seen its once-popular BBM service fade from the messaging scene, BlackBerry has launched a series of lawsuits against today's leaders. Last March, BlackBerry sued Facebook, along with Facebook-owned Instagram and WhatsApp. A month later, it sued Snapchat's parent company.

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Private equity returns fell behind stocks over the past decade

Illustration: Aïda Amer/Axios

U.S. private equity returns fell just below S&P 500 returns for the 10-year period ending last June, according to a report released Monday morning by Bain & Company.

Why it matters: Private equity markets itself as beating public markets over long-term time horizons, and usually providing an illiquidity premium to boot. These new performance figures not only dent such claims, but provide fresh ammunition to critics of public pension investment in private equity funds.

Why Apple may move to open iOS

Photo illustration: Jakub Porzycki/NurPhoto via Getty Images

Apple may finally allow iPhone owners to set email or browsing apps other than Apple's own as their preferred defaults, according to a Bloomberg report from last week.

The big picture: Customers have long clamored for the ability to choose their preferred apps, and now Apple, like other big tech companies, finds itself under increased scrutiny over anything perceived as anticompetitive.