# 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/gbwajia
FDA Qualifies Apple Watch's AFib History For Use In Clinical Studies
In a first for "digital health technology," the Apple Watch's atrial fibrillation (AFib) history feature has been approved by the FDA to join the FDA's Medical Device Development Tools (MDDT) program. This means the wearable is now usable in clinical studies. The Verge reports: The FDA announcement describes using it as a noninvasive wa ... ⌘ Read more