Its upfront event was a show of force, one attendee said. “They’re a retailer, but they’re a network. If you’re a Panadol or Rexona, you need to be in Chemist Warehouse.” Guy Sebastian at this year’s Chemist Warehouse supplier event. The company pushed its all-encompassing advertising presence: thousands of in-store screens, connections to the NRL and AFL, and its all-encompassing House of Wellness brand, which is a TV show on Seven, a magazine in News Corp papers and a radio show on Nine Radio stations like 2GB and 3AW (Nine owns the Australian Financial Review). That covers just about everyone....