This week on AI: AAPL valuation $1 trillion, Apple Watch saves lives, 2018 iPad Pro, more

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Here are this week's most popular news items and features:

• Everything new in iOS 12 beta 5 > >
• While Wall Street quacked about killing iPhone X, Apple quietly bought back $43.5B in its own stock > >
• Apple Watch keeps spotting cardiac issues and saving lives, this time in Australia > >
• Review: The 2018 MacBook Pro with i9 processor is the fastest laptop Apple has ever made, but it could be better > >
• Comparing the base model 2018 MacBook Pro with Touch Bar versus Apple's base 2018 15-inch MacBook Pro > >
• Apple considers alternative MacBook keyboards with touch interfaces, improved dust protection > >
• Next-gen iPad Pro design seemingly confirmed by iOS 12 beta icon > >
• Notes of interest from Apple's Q3 2018 conference call > >

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A roundup of other top stories this week:

What's new in macOS Mojave Beta 5: Wallpapers & new eGPU options

How to pick the best MacBook or MacBook Pro for any price point

Apple warns tariffs, protectionism could impact fiscal performance

Newton launched August 2, 1993 setting the stage for what would become the iPad and iPhone

Apple's HomePod seizes 'small but meaningful' portion of US smart speaker market

The best Thunderbolt 3 eGPU cases for Mac and Windows users

Apple widens lead with iPad in contracting worldwide tablet market

Apple's Cook calls $1 trillion value 'milestone,' says result of corporate values

Hands on: Pixelmator Pro 1.1.2 on the Mac is superb even if it still isn't Photoshop

What's new with Apple CarPlay in iOS 12