| Scope | ||||||||||
| Personal | Expert | Social | World | |||||||
| Links | Squidoo | PageRank | ||||||||
| Bookmarks | del.icio.us | |||||||||
| Clicks | A9 | AdWords | ||||||||
| Meta | Files | #1:Storage | ||||||||
| Feeds Feeds | Moreover | Rojo | #2: RSS->email | |||||||
| User reviews | #3:Portable reps | |||||||||
| Interests | #4:Local offers | |||||||||
| Product reviews Product reviews | TechCrunch | #9:Review agg | ||||||||