On March 3, Mobile World Congress will kick off in Barcelona, Spain. While it’s not the premier show it once was, many of the smartphone industry’s leading players still attend the conference and frequently launch new devices there. Typically, we hear from companies like Lenovo, Arm, Xiaomi, Dell and more at the conference, as well as standards organizations like the GSMA on developments in areas like 5G or SIM technology. And judging by the event agenda on the MWC website, we will be seeing at least some kind of presence from Meta about WhatsApp, though it's unlikely anything major gets…