Which of the following services can help students access computer files from remote locations through mobile phones?

Soonr is the service that lets students access computer files from remote locations through mobile phones.

Facebook is a social networking site, not a remote file access service.

Renren is a Chinese social networking platform, not a file access tool.

Twitter is a microblogging service, not a way to reach remote computer files.

Soonr provides cloud based file access and collaboration on mobile devices.

Such services let learners retrieve documents without carrying storage media.