Jangl provides an ID that users can give out to other people to create a VOIP number unique to a single relationship between 2 people. VOIP is used as the connection between any 2 phones, be they land lines, cell phones or VOIP calls.
multiple identities / identity intermediaries are starting to appear in the real world. this is how you deal with the ‘OMG teh internets have predators’
Gregor J. Rothfuss 