In our original report, we shared that Siri will be accessible on the Mac in part through a menu bar icon similar to Spotlight search and Notification Center:

Following our reporting, MacRumors has shared what it believes is an early look at how Siri’s menu bar will appear (at least for now):

As you can see, the screenshot shows the word ‘Siri’ wrapped around a box. The report cites reliable sources in providing the screenshot, but speculates that the appearance could change before OS X 10.12 ships in the fall. Apple’s software betas often go through visual changes between WWDC and shipping in the fall as well.

We’re also expecting Siri on the Mac to support the voice activation phrase ‘Hey Siri’ for hands-free use:

The latest report adds that Siri’s voice activation feature is currently off by default and can be toggled on or off in a System Preferences pane.

Finally, MacRumors has shared what it believes is a Dock icon for Siri on OS X 10.12. Much like other OS X features like Launchpad and Mission Control have removable Dock icons in addition to keyboard shortcuts and mouse gestures, Siri on the Mac is expected to feature a Dock icon as one activation point: