• BRW Rich Lister Geoff Harris, the founder of Flight Centre, is going digital, investing in start-up technology that puts real estate auctions live online.

With Australia in the grip of a residential boom, the country’s property sector is under siege from would-be digital disrupters looking to cut a corner for themselves.

Mr Harris’s move though, as he puts it, is more about disrupting the disrupters and allowing traditional, kerbside auctions to gain bigger audiences.

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on-the-block-geoff-harris-left-and-joel-smith-with-the-gavl-app

On the block: Geoff Harris, left, and Joel Smith with the Gavl app.Jesse Marlow