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From scheduling power meetings to wrangling to-do lists, we’ve collected insights from 10 CEOs who rely on time-saving apps to stay ahead. Time is a leader’s most valuable asset, and keeping it under control can be the difference between building an empire and watching it crumble. Forget fancy cars and corner offices.

After years of discussions and planning, a metro-area partnership has declared efforts to build out an aerotropolis — an airport city — around Denver International Airport officially off the ground. The group of elected officials and staffers from cities, Adams County, Denver and the airport are elevating their plans to turn undeveloped areas around DIA into a hub for commerce, a magnet for innovative enterprises and an even more powerful economic engine for metro Denver and Colorado. A website for Colorado Aerotropolis pitches the region to “makers and manufacturers, builders and developers.” At the heart of the appeal is DIA, the third-busiest airport in the U.

Every year, Apple and Google announce major software updates that bring new features to our smartphones, such as cosmetic overhauls to the home screen, stronger privacy protections and fun messaging tools. This year, the changes will feel more radical because the companies are focusing on reinventing our phones with artificial intelligence. At its annual software developer conference Monday, Apple showed a host of enhancements coming this fall to iOS 18, its operating system powering iPhones.

When David De Clercq traveled to San Francisco last year, he had a few musts on his itinerary: Go to Alcatraz. Try new restaurants. And ride in a self-driving car. Self-driving cars, also known as autonomous vehicles or, colloquially, robotaxis, have been driving the streets of San Francisco in some form since 2009 and have been operating commercially since August.

At what age should kids be on social media? Should they be on it at all? If they aren’t, will they be social pariahs? Should parents monitor their conversations? Do parental controls work? Navigating social media as a parent — not to mention a child — is not easy. Using social media platforms is still the default for most American teenagers, with the Pew Research Center reporting that 58% of teens are daily users of TikTok, including 17% who describe their TikTok use as almost constant.

Enlarge (credit: RamonCarretero/Getty) A hammerhead shark less than one meter long swims frantically in a plastic container aboard a boat in the Sanquianga National Natural Park, off Colombia’s Pacific coast. It is a delicate female Sphyrna corona, the world’s smallest hammerhead species, and goes by the local name cornuda amarilla—yellow hammerhead—because of the color of its fins and the edges of its splendid curved head, which is full of sensors to perceive the movement of its prey. Marine biologist Diego Cardeñosa of Florida International University, along with local fishermen, has just captured the shark and implanted it with an acoustic marker before quickly returning it to the murky waters.