The maker of real-time engagement technology is benefitting from new demand for products like real-time online virtual tutors and talking toysKey Takeaways:Agora reported a slight revenue increase in the first quarter, as it returned to growth after three years of declinesThe maker of real-time engagement technology said it is actively investing in "promising areas" such as conversational AI that can power virtual tutors and call centersCould the AI era finally return long-neglected real-time engagement tec ...