, | Name | User | Ads | Userpic | API | FoAf | NewsFeed | StickyNess | ProfileVisits | TrustChain | https | OpenId | OpenSource | RealName |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 250m | x | x | +++ | +++ | +++ | - | - | + | + | + | + | ||
| MySpace | 200m | x | x | + | + | +++ | ? | - | - | + | - | - | |
| FoAf* | 90m | - | x | +++ | +++ | ? | ? | ? | x | + | - | + | + |
| HiFive | 80m | x | x | + | ++ | + | +++ | ? | - | - | - | - | |
| ClassMates | 40m | x | x | + | + | + | ? | - | - | - | - | ||
| 24m | x | x | + | - | - | - | - | + | - | - | + | ||
| LiveJournal | 16m | x | x | ++ | ++ | + | +++ | ? | + | + | - | - | - |
| FlickEr | 7m | - | x | ++ | - | ++ | - | - | - | + | - | - | |
| XingLe | 8m | x | x | + | ++ | +++ | + | - | ++ | - | - | ++ | |
| StudiVz | 4m | x | x | - | - | ++ | + | - | - | - | - | - | |
| WerKenntWen | 4m | x | x | x | x | ++ | + | x | - | x | - | + | |
| DelIcioUs | 2m | x | - | x | x | x | - | x | - | - | - | - | |
| 2m | - | x | x | + | x | x | - | x | + | - | - | -- | |
| TribeNet | >500k | x | x | FoAf? | ? | ? | ? | - | + | - | - | ||
| ASmallWorld | 300k | x | x | ? | ? | ? | ? | - | x | - | - | + | |
| PeopleAggregator | 8414 | x | x | - | - | + | - | - | - | - | +++ | ||
| NooPolis | 81 | - | x | ++ | +++ | + | ? | - | x | not yet | - | +++ | +++ |
- ): we count FoAf as "meta" SocialNetwork which also sums up the FoAf profiles of other FoAf-enabled SocialNetwork's.