I blogged the other day about the $38+ billion tween market and that half of the 20 million tweens use cell phones. So it was interesting to me that today I read two articles about teens, mobile and SMS.

Mobile is the ‘key’ to a teens life reports MarketingVox. ”Nearly half (47 percent) of US teens say their social life would end or be worsened without their cell phone, and nearly six in 10 (57 percent) credit their mobile device with improving their life.”

Wow. For marketers, according to eMarketer, this is a way to reach half of this market (the other half dosen’t want mobile ads) - but at a cost. ”Nearly one-half of teen mobile phone users in the US said they would be at least somewhat interested in accepting mobile ads, as long as they got something in return.”

The MarketingVOX article points out two key take aways from the Harris Interactive study.

1. “Teens say texting has advantages over talking because it offers more options, including multitasking, speed, the option to avoid verbal communication, and because it is fun – in that order, according to the study.”

2. “Teens have created a new form of communication. We call it texting, but in essence it is a reflection of how teens want to communicate to match their lifestyles. It is all about multitasking, speed, privacy and control,” said Joseph Porus, VP & chief architect, Technology Group, Harris Interactive.