Two very big and highly improbable ifs. If it works and if it is used.
There is theory, but no evidence it could work, and according to
available numbers, in the month of June, the download rate has been
about 11,500/day
Considering there have been a number of updates and bug fixes, the
number
G'day Stil
'COVIDSafe might actually be useful after all' may not be your choice of
headline, but it's pretty silly:
https://www.zdnet.com/article/covidsafe-might-actually-be-useful-after-all/
The Currie et al. paper is useful, in its own world: