Figure 1

Figure 2a

Figure 2b

Figure 3

Figure 4

Figure 5

Distribution of tweeting activity across different tweet types and styles, 22 March 2017
| Tweets | Percentage of tweets | Unique accounts | Percentage of accounts | |
|---|---|---|---|---|
| Total | 1,294,569 | 100 | 176,737 | 100 |
| Original tweets | 427,537 | 33 | 101,785 | 58 |
| @mentions | 422,895 | 33 | 93,260 | 53 |
| Retweets | 555,003 | 43 | 88,752 | 50 |
| Hashtag | 301,405 | 23 | 72,672 | 41 |
| No hashtag | 993,164 | 77 | 104,065 | 59 |
| URL | 695,282 | 54 | 136,599 | 77 |
| No URL | 599,287 | 46 | 40,138 | 22 |
| Twitter.com URL | 365,995 | 28 | 84,263 | 48 |
| Non-Twitter.com URL | 369,177 | 29 | 90,044 | 51 |
Key metrics for selected clusters in the interaction network
| Cluster | Active accounts | Tweets | Hashtagged | Original | @mentions | Retweets | URL tweets |
|---|---|---|---|---|---|---|---|
| Phatic sharing | 2,440 | 88,912 | 5% | 23% | 25% | 56% | 48% |
| Australian politics | 1,663 | 67,493 | 35% | 13% | 37% | 71% | 47% |
| Right-wing politics | 1,067 | 38,023 | 23% | 14% | 43% | 57% | 48% |
| Progressive netizens | 963 | 24,844 | 10% | 23% | 51% | 33% | 37% |
| US politics | 941 | 34,001 | 22% | 12% | 32% | 69% | 53% |
| Teen culture | 938 | 36,606 | 14% | 20% | 39% | 53% | 48% |
| Health and indigenous | 611 | 11,966 | 40% | 17% | 38% | 65% | 55% |
| Energy and environment | 597 | 10,733 | 44% | 16% | 44% | 59% | 56% |
| Science | 493 | 8,090 | 48% | 16% | 56% | 56% | 55% |
