# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/3bxrlqa
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The biggest smallest PNG
A few days ago, my former coworker Evan Hahn posted “The world’s smallest PNG”, an article walking through the minimum required elements of the PNG image format. He gave away the answer in the very first line: However (spoilers!) he later points out that there are several valid 67-byte PNGs, such as a 1×1 all-white image, or an 8×1 all-black image, or a 1×1 gray image. All of these exploit the fact that you can’t have less than one byte of pixel data, so you might as well use all e ... ⌘ Read more