How the Russian-Ukraine conflict will impact the already weakened semiconductor industry, we take a look at the smartphones announced at Mobile World Congress in Barcelona, nearly half of all Australian use up all of their mobile data each month, we’ll check out the LG NanoCell Mini LED 4K Smart TV, Panasonic unveils the Lumix GH6 camera, we run our eye over the ASUS Vivobook OLED laptop range and we’ll answer all your questions in the Tech Guide Help Desk.