SMS is dead. Voicemail is obsolete. Right?
SMS and voicemail are old and busted technologies that should be, and have been, replaced by newer alternatives.
The reason SMS and voicemail are still not only relevant but resurgent is that everybody has them. No proprietary service will ever match the universality of SMS or voicemail.
While the alternatives to SMS and voicemail get all the press, the truth is that these older approaches to communication are universal — everyone’s got access to them.
And now old and busted SMS and voicemail are becoming the new hotness with new technologies, new ideas and new services.