| PU1 | Personal cloud storage can help me store personal information, and improve my personal information management efficiency. |
| PU2 | Personal cloud storage is very useful for me for storing personal information. |
| PU3 | Personal cloud storage can help me synchronize and share files, so I can efficiently complete my projects with my partners. |
| PU4 | I can access my cloud files anywhere or anytime with personal cloud storage. |
| PE1 | The guidelines of personal cloud storage are clear and easy to understand. |
| PE2 | It is easy to learn how to use personal cloud storage. |
| PE3 | I can install a personal cloud storage client and use it easily. |
| PE4 | As long as I want, I can easily use all the functions of personal cloud storage. |
| PE5 | Personal cloud storage can be used as easily as other network applications. |
| PT1 | I think personal cloud storage is a valuable application, and it can satisfy my requirements. |
| PT2 | The Internet is safe enough, and I use online storage nearly without worry. |
| PT3 | Existing Internet regulations and security technology can reduce the trouble of using personal cloud storage. |
| PT4 | It will not bring too much risk, in spite of personal cloud storage being on the Internet. |
| PT5 | I think my personal cloud storage application is not harmful. |
| PT6 | I think personal cloud storage vendors keep their promises to protect my data. |
| PT7 | I think personal cloud storage vendors keep their promises not to abuse my personal information. |
| PR1 | I think there might be some security risks when I use personal cloud storage to store my personal information. |
| PR2 | I think existing laws and regulations are not enough to eliminate the risks of personal cloud storage. |
| PR3 | Compared with other traditional storage instruments, I think the security risk of personal cloud storage is greater. |
| PR4 | I think my data in the cloud might get lost. |
| PR5 | I’m afraid that my cloud data might be stolen—especially, that my personal privacy might be compromised. |
| PR6 | I think personal information on the network is not safe enough. |
| PR7 | I’m concerned about my privacy. |
| PR8 | I will be more careful with my private information on the Internet. |
| PR9 | Storing personal information in the cloud might compromise my privacy. |
| PR10 | I am afraid that my rights won’t be guaranteed, in terms of security, privacy or other issues, when using personal cloud computing. |
| SN1 | It’s a good idea for people to use personal cloud storage, such as my family, friends, and colleagues, who have an important influence on me. |
| SN2 | If someone who usually influences me greatly uses personal cloud storage, I would tend to use it. |
| SN3 | Because of daily media campaigns, I would consider using personal cloud storage. |
| NE1 | The more people use personal cloud storage, the more it is useful to me. |
| NE2 | The more resources it can access, the more I would like to use the personal cloud storage. |
| NE3 | If my partners or collaborators use personal cloud storage to share resources, I would like to use it, too. |
| NE4 | If an application or device needs to use personal cloud storage, I would like to use it. |
| CC1 | Due to using personal cloud storage, I can easily share my files with my collaborators. |
| CC2 | Due to my use of personal cloud storage, I can easily synchronize data through any intelligent terminal. |
| CC3 | Personal cloud storage can make file sharing easy. |
| CC4 | I can access my files in the cloud at any time. |
| CC5 | I can access my files in the cloud anywhere. |
| CC6 | I can access my files in the cloud using a mobile terminal. |
| CC7 | The mobility characteristics of personal cloud storage bring me convenience. |
| PI1 | If I find a new technology, I am willing to try it. |
| PI2 | Compared to peers around me, I am more willing to try new technologies. |
| PI3 | I am good at discovering new network applications. |
| AW1 | I am familiar with how to use personal cloud storage. |
| AW2 | I am familiar with personal cloud storage’s functions. |
| AW3 | I know the privacy policies of personal cloud storage. |
| AW4 | I am familiar with the technical mechanism of personal cloud storage, such as security technology. |
| BI1 | I would like to share and synchronize my files through personal cloud storage. |
| BI2 | I tend to use personal cloud storage to manage my personal information. |
| BI3 | I am planning to use personal cloud storage more frequently. |
| BI4 | I would like to recommend to my friends and my family to adopt personal cloud storage. |
