Original: Fan reaction was to organize letter-writing campaigns , online petitions , blood and food drives , advertisements in trade magazines and via mobile billboards , and attempts to lobby other networks ( UPN was a favorite target , as it had already picked up Buffy ) .
Simplified: Fans created letter-writing campaigns and online petitions . They tried to get other networks , UPN mainly ( the network that picked up Buffy ) , to pick up the show .