Elon Musk Versus Apple Is a Fight Worth Having: Tim Culpan

Twitter Inc.’s first tweet under the ownership of the world’s richest man was the announcement of a widely anticipated upgrade to its subscription feature. It was also a shot across the bow of the planet’s biggest company, marking a possible showdown that could end up bringing much-needed change to the mobile app industry.

Twitter Blue will relaunch Monday with a handful of features that Elon Musk and his team are betting will justify the monthly fee: A blue checkmark, longer videos, higher visibility, and an edit button. More importantly, though, Twitter announced two prices for the same service: $8 per month ...