From the Dropbox desktop, web, and mobile applications, the "Get link" button generates a unique link to a file or folder.

ENGADGET: Dropbox simplifies sharing with file viewer and folder links

"Spear-phishing" typically works by sending fake e-mails that look like legitimate correspondence, but which link to a malicious website or file attachment.

BBC: The White House as seen on 17 March 2010

Intrepid computer science-ers can hit up the read link to find the appropriate .jar file or just follow along with all the fun in the forum discussion.

ENGADGET: Palm's webOS root image leaks out, code enthusiasts reschedule their normal nightly plans

For Dropbox users, opening a link will provide the option to instantly save the file to their Dropbox.

ENGADGET: Dropbox simplifies sharing with file viewer and folder links

It uses a central server to link computers together to avoid the complexity of other peer-to-peer programs such as Gnutella, a file-sharing program popular among the high-tech community.

ECONOMIST: REPORT: COMPUTER NETWORKS

For instance, that link in an e-mail from a trusted friend could really disguise a malicious file or "bot" intended to steal your passwords, log all your keystrokes or ultimately put your bank accounts, personal details and other private information in the hands of cyber criminals or foreign governments.

CNN: STORY HIGHLIGHTS