# 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/ovy36eq
Following Friends in Fitness Apps is Associated with Higher Levels of Physical Activity
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The past few years have seen huge growth in mobile fitness apps globally. Expecting increased revenue to be generated from this category, app designers strive to add features to enhance the user experience and motivate better performance.

Dr HUANG Guanxiong, Dr Crystal JIANG Li, and doctoral student SUN Mengru from CityU’s ... ⌘ Read more