Claressa Monteiro speaks to Christopher Lim - Digital Editor, The Business Times on how 5G's really hitting the mainstream in a big way these days (even though you still need to upgrade your telco plan to enjoy it), with the Samsung Galaxy S21 family launching pre-orders today, and realme launching its really affordably realme 7 5G last Friday, plus LG wearable air filter, which finally has pricing and availability.