(TrendHunter.com) The Grubhub Halloween campaign has begun with the company providing data-backed reasons for customers to order-in for dinner this spooky season. Grubhub noted that Halloween is actually more popular... (TrendHunter.com) The Grubhub Halloween campaign has begun with the company providing data-backed reasons for customers to order-in for dinner this spooky season. Grubhub noted that Halloween is actually more popular...