The evolution of language
280-character messages. Emojis galore. SMS and chat abbreviations and acronyms.
The FBI compiled a listof most common Twitter shorthand. The document has no less than 83 pages.
The linguist John McWhorter gave a very funny and informative TED talk on the impact of texting in the evolution of our language. He argued that, as annoying as texting shorthand might be, it is a natural evolution of the language, which is no different than evolving from Elizabethan English to modern English.