# 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/3rh2mnq
David Kahn, Leading Historian of Code and Code Breaking, Dies At 93
Clay Risen reports via the New York Times: David Kahn, whose 1967 book, "The Codebreakers," established him as the world's pre-eminent authority on cryptology -- the science of making and breaking secret codes -- died on Jan. 24 in the Bronx. He was 93. His son Michael said the death, at a senior-living facility, was from the long-term effects ... ⌘ Read more