E21 refers to the 21st edition of the Electronic 21 conference, which focuses on advancements in technology and digital innovation. This event gathers experts, researchers, and industry leaders to share insights and discuss emerging trends in the electronic field. The conference typically features keynote speeches, panel discussions, and workshops that cover various topics, including artificial intelligence, machine learning, and cybersecurity. Participants have the opportunity to network and collaborate, fostering a community dedicated to pushing the boundaries of electronic technology.