To find out when and how it was created and gained momentum, and see from multiple points of view its speed (chronological, geographical, generational, etc.)
Analyze online sources of data to find the first occurrence of a word or phrase and plot the spread and usage.
Exposure to things you would not look for by yourself to find interesting reads.
Browser extension that analyzes (subject, intellectual level, etc.) websites you visit and suggests new ones that you would never think of by yourself.
You have patterns you repeat when answering emails and otherwise messaging. These are similar to other peoples but have your style of expression. Today you can already automate these on many devices by using snippets and a shortcut. The only problem is that they are always exact copies, so answering the same person twice will reveal this fact.
A smart snippet software that, while you are typing, analyzes your words and suggests an auto-completion of the whole sentence and not just one word. It will do so with a slightly different variation based on how you started your sentence and your writing style. As you continue writing what it suggests changes until at some point, you choose to use it and complete the sentence or even a whole paragraph.