| U & D | Widgetbox | Jul 23, 2008 | 0 | 0 |
| U 2 | Netvibes user | Mar 4, 2007 | 0 | 0 |
| U B E R T R I G G E R | ubersoundcloud | Feb 26, 2009 | 5 | 0 |
| U B U W E B | Widgetbox | Jul 23, 2008 | 0 | 0 |
| U B U W E B | Widgetbox | Jul 23, 2008 | 0 | 0 |
| U GOT RICKROLLED! | Widgetbox | Jul 22, 2008 | 0 | 0 |
| U Live Where? | Washington Post says: ""Worth checking out! | nvposcaster | Dec 6, 2007 | 0 | 0 |
| U MUST DANCE by Distorded | nvposcaster | Dec 5, 2007 | 0 | 0 |
| U N I K A | Widgetbox | Jul 23, 2008 | 0 | 0 |
| U Roy | Netvibes user | Mar 4, 2007 | 0 | 0 |
| U need Relaxation Therapy | Widgetbox | Jul 23, 2008 | 0 | 0 |
| U of Calgary Library Search | Widgetbox | Jul 22, 2008 | 0 | 0 |
| U&I LEARNING France | yesmith_als | Feb 3, 2009 | 0 | 0 |
| U're Wonderful | nvposcaster | Dec 6, 2007 | 0 | 0 |
| U-God | Netvibes user | Mar 4, 2007 | 0 | 0 |
| U-Hype! Its so Hood... | nvposcaster | Dec 6, 2007 | 0 | 0 |
| U-Turn | Netvibes user | Mar 3, 2007 | 0 | 0 |
| U-Turn Cafe | nvposcaster | Dec 5, 2007 | 0 | 0 |
| U. Srinivas | Netvibes user | Mar 4, 2007 | 0 | 0 |
| U.D.C. GIOVANI BARI | Widgetbox | Jul 23, 2008 | 0 | 0 |