To finalize the topic about social activity visualizations, I created a web app (in Russian) that does that interactively.
The visualizations are based on data from d3.ru, an online platform based on a rating system that allows users to appraise other individual users as well as content entries and comments posted by them.
A user can enter any username (or usernames) and see the stats.
A very active user following the daily routine:
This user doesn't follow the daily routine:
A bot:
A person that shifted from one account to another:
A person, who wrote from many accounts:
Also, it's possible to see the activity by the number of posts and comments of a particular user per day (the red columns are weekends):
