|                               |   `500-pop` |   `500-rand` |   `eng-news` |
|-------------------------------|-------------|--------------|--------------|
| Total users                   |         500 |          500 |          310 |
| Users who didn't post at all  |         117 |          205 |           26 |
| Users who posted less than 1% |         288 |          313 |           57 |