Secure messaging outfit TigerText has mixed its sauce with Dropbox's API to make a private communications goulash that could spell doom for the humble bicycle courier. The technological team-up enables users to share documents with a pre-set lifespan and recall an attachment if you really didn't mean to send your boss so many cat pictures. Thanks to its HIPAA-compliant encryption, the documents you push around cannot be downloaded, copied or forwarded, making it ideal for law firms, medical agencies and movie studios that currently blow thousands of dollars on using messengers to take
