A bot is an application that performs an automated task, such as telling you the weather or conducting an online search. Most of the bots I'm discussing here are referred to as chatbots - programs you interact with through chat. You send it a message and it responds automatically, sending you information, making a query on your behalf or booking a ticket. Airlines are using bots to deliver boarding passes and itinerary information to customers. The latest innovations automatically check your airline ticket to see if your fare has dropped and then negotiate a refund. Get the full story at Dallas News