history of the word *data* beyond "it's plural!"
"What do we mean by 'data'"
@srendgen
https://buff.ly/2tdxRLl
h/t @flowingdatapic.twitter.com/wCjuMKdfVI
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Although I guess mass nouns don't have a plural while plurale tantum words don't have a singular form. Datum is singular though. 
Scissorum. Pantum.
Datum scientist!
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.