1. To sort Stream, on the right side, click on the Equilizer icon
2. For Stream and Inked, sorting is the same, you can sort them by Acts, Updates, Comments, Tips, and Tentacles
3. For Stories and Videos, by clicking on the Equilizer icon you can sort them by Fast and Big. Fast are stories with data in the last 30 minutes and Big are those with the most data in the past 4 hours.