diff --git a/foodie_automator_rss.py b/foodie_automator_rss.py
index 9809b65..2de6b0f 100644
--- a/foodie_automator_rss.py
+++ b/foodie_automator_rss.py
@@ -46,6 +46,15 @@ RATE_LIMIT_DELAY = 1  # Delay between API calls in seconds
 FEED_TIMEOUT = 30  # Timeout for feed requests in seconds
 MAX_RETRIES = 3  # Maximum number of retries for failed requests
 
+POSTED_TITLES_FILE = '/home/shane/foodie_automator/posted_rss_titles.json'
+USED_IMAGES_FILE = '/home/shane/foodie_automator/used_images.json'
+EXPIRATION_HOURS = 24
+IMAGE_EXPIRATION_DAYS = 7
+
+posted_titles_data = load_json_file(POSTED_TITLES_FILE, EXPIRATION_HOURS)
+posted_titles = set(entry["title"] for entry in posted_titles_data)
+used_images = set(entry["title"] for entry in load_json_file(USED_IMAGES_FILE, IMAGE_EXPIRATION_DAYS) if "title" in entry)
+
 def setup_logging():
     """Configure logging with rotation and cleanup."""
     if os.path.exists(LOG_FILE):