| 日期/Date | 事件/Event | 地點/Location |
| 2010/11/10 | PCLN, PNR, IR at Piper Jaffray Technology, Media & Telecommunications Conference | |
| 2010/11/10 | PCLN, PNR, IR at Piper Jaffray Technology, Media & Telecommunications Conference | |
| 2010/11/10 | PCLN, PNR, IR at Piper Jaffray Technology, Media & Telecommunications Conference | |
| 2010/11/10 | PCLN, PNR, IR at Piper Jaffray Technology, Media & Telecommunications Conference | |