Office of typos

I happened upon a building labeled thusly:
What was it? Further investigation suggested that it was a local (or national?) broadcast TV company. But why buy 5-foot-tall letters to spell "typos" on the side of the building? (It doesn't seem to be an actual Czech word that unfortunately spells an English word.) This just seems to be asking for trouble, or perhaps in a more positive light, excusing mistakes before they're made. Every time a typo occurs, people just point to the side of the building and shrug.


This post's theme word: otiose, "superfluous, indolent, futile."
This post written like David Foster Wallace.

Tree wart

Walking along the former wall of the city, I noticed this enormous tree wart.What is it? It doesn't have any other visible plants or animals growing out of it, and the rest of the tree was normal.
A close-up shot of the wart texture:
This post's theme word: asperity, "harshness or roughness."
This post written like James Joyce.