Updated models with AMD graphics options expected in early 2017.
Apple Online Store Updates Sales Chat Support, Testing Screen Sharing Virtual Tours in Brazil
As has long been the case, sales chat support is available only during certain times of the day and dependent on availability of chat agents.
Even more interestingly, Apple appears to be using its Brazilian store as a test market for even further enhancements that allow sales specialists to share their screens with potential customers to help walk them through a product's features. MacMagazine.com.br provides an overview the process [Google translation], showing how users can participate in a virtual tour with the chat appearing along the right side of the browser window while the specialist shares his or her screen to walk through the product's features.
The report indicates that the screen sharing virtual tour feature is limited to the iPad 2 for the time being, but that the company has plans to extend it across its product lines.