T.I.L. (Today I Learned)
Often used as a space saver on websites such as Reddit or DIGG when writing the titles of links to interesting things the submitter has learned that day.

Paper product used as a barrier against unwanted messes, such as the liner at the bottom of a bird cage.

Common misspelling of "till", as in "until". Look it up.

'til is the correct abbreviation of until and not a 'Common misspelling of "till", as in "until".'
Till is the common misspelling of until, but is in fact a cash register or a preparation of soil in readiness for planting.
Until is a future time reference.

Today I learned...

Until, later

Mostly known as a man name, Til's are know for liking Chelsea boots and having blond hair.