{
  "tiktok":   {"W_C": 0.95, "W_A": 0.90},
  "instagram":{"W_C": 0.85, "W_A": 0.85},
  "youtube":  {"W_C": 0.70, "W_A": 0.75},
  "twitter":  {"W_C": 0.80, "W_A": 0.70},
  "facebook": {"W_C": 0.50, "W_A": 0.60},
  "reddit":   {"W_C": 0.60, "W_A": 0.40},
  "other":    {"W_C": 0.10, "W_A": 0.20}
}