I'm sure you have all by now seen or heard of Tesco Mobile's Twitter responses. If you haven't yet, check them out here . Tesco Mobile have been praised and raved about for the past month or so, because of the quick and witty comebacks they send to the internet trolls who mock Tesco's mobile service. It's a great idea. If you have seen the Tesco Mobile adverts , you'll see that they were the first to take the piss out of themselves. When they created the service, they knew that young people would be sending them abuse and calling them shit. So, when creating their social platform, Tesco Mobile knew they had to get someone to respond who could give as good as they got. It makes perfect sense for their brand. You have also probably seen the ' Best Twitter Conversation Ever ', whereby Tesco Mobile, Yorkshire Tea and Jaffa Cakes have humorous banter with each other. Now that other brands have seen this, they want a piece of the action. They want