Glossary: What is SMS vs. MMS vs. T9 vs. QWERTY?

SMS text messaging, MMS picture messaging, T9 predictive text and QWERTY are all acronyms for different elements of cell phone messaging.

But how do they differ? What are the specifics of each? How did these technologies come to be? This new article will help you understand the difference between SMS, MMS, T9 and QWERTY.