After mobile calls became more commonplace in a few developed countries, manufacturers added keyboards and larger screens, clearing the way for the SMS and mobile e-mail revolutions.

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While unfortunately named, the chat heads feature represents an elegant way of integrating disparate communications services including SMS, messaging and email so that the focus is on the person not the communications channel.

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But as a viable threat to SMS texts, Facebook has a long way to go.

FORBES: In 'Killing' The Text Message, Facebook Is Behind The Pack

The infiltration of text messaging these days is astounding, and after years of being way behind our European counterparts, us Yanks are mosying up to SMS like never before -- to the tune of billions of text messages a month in the U.S. But let's talk about love -- is it coming into its own regarding the text messaging game?

ENGADGET: AT&T releases wireless survey all about love Mobile

So I have one conversation on e-mail with my grandfather and another with my cousin on SMS and all these things don't work the same way.

BBC: Facebook ramps up Google rivalry with messaging service

The hacker doesn't even need to be in the same ZIP code to crack a firewall or VPN -- the 3G link lets the Power Pwn take bash command-line instructions through SMS messages and doles out some of its feedback the same way.

ENGADGET: DARPA-backed Power Pwn is power strip by day, superhero hack machine by night

The PRADA phone by LG 1.0 was the world's first touchscreen mobile phone, and the 2.0 provided an innovative mobile experience through its unique watch with Link technology, which allowed for easy access to caller ID, SMS text messages, call history, call block and two-way alarm notification.

ENGADGET: LG, Prada officially renew phone partnership, confirm v3.0 for early 2012