Machine learning is already making its way into IoT devices, as Google and Asus are now collaborating to release single board computers the size of credit cards. Even though they are small, these devices are powerful enough to enable AI-assisted applications for image recognition and upscaling.
https://www.notebookcheck.net/Asus-and-Google-developing-credit-card-sized-AI-focused-PCs.442724.0.html