| U & D | Widgetbox | 23/07/2008 | 0 | 0 |
| U 2 | Netvibes user | 04/03/2007 | 0 | 0 |
| U B E R T R I G G E R | ubersoundcloud | 26/02/2009 | 5 | 0 |
| U B U W E B | Widgetbox | 23/07/2008 | 0 | 0 |
| U B U W E B | Widgetbox | 23/07/2008 | 0 | 0 |
| U GOT RICKROLLED! | Widgetbox | 22/07/2008 | 0 | 0 |
| U Live Where? | Washington Post says: ""Worth checking out! | nvposcaster | 06/12/2007 | 0 | 0 |
| U MUST DANCE by Distorded | nvposcaster | 05/12/2007 | 0 | 0 |
| U N I K A | Widgetbox | 23/07/2008 | 0 | 0 |
| U Roy | Netvibes user | 04/03/2007 | 0 | 0 |
| U need Relaxation Therapy | Widgetbox | 23/07/2008 | 0 | 0 |
| U of Calgary Library Search | Widgetbox | 22/07/2008 | 0 | 0 |
| U&I LEARNING France | yesmith_als | 03/02/2009 | 0 | 0 |
| U're Wonderful | nvposcaster | 06/12/2007 | 0 | 0 |
| U-God | Netvibes user | 04/03/2007 | 0 | 0 |
| U-Hype! Its so Hood... | nvposcaster | 06/12/2007 | 0 | 0 |
| U-Turn | Netvibes user | 03/03/2007 | 0 | 0 |
| U-Turn Cafe | nvposcaster | 05/12/2007 | 0 | 0 |
| U. Srinivas | Netvibes user | 04/03/2007 | 0 | 0 |
| U.D.C. GIOVANI BARI | Widgetbox | 23/07/2008 | 0 | 0 |