This is the best I can do for now (I cannot guarantee all are correct corporate sites - I did this for fun!). Unis ranked by number of followers as at about 1:30pm today:
- RMIT - 934
- UNSW - 472
- Uni of Melbourne - 470
- La Trobe - 396
- Monash Uni - 376
- Flinders Uni - 251
- Uni of Wollongong - 176
- Uni of Adelaide - 95
- Charles Sturt Uni - 91
- Uni of Sydney - 73
- UniSA - 71
- Uni of Canberra - 53
- ANU - 37
- Aust Catholic Uni - 22
- James Cook Uni - 18
- USQ - 16
- Central Qld Uni - 12
- Swinburne Uni - 5
- Charles Darwin Uni - 3
- Deakin Uni - 2 (but status updates by request only)