T-Mobile Hikes SMS Rate: What Is Impact on Marketers?

Take a deep breath, folks. There's no Twitter tax, and it's not the end of SMS marketing.

Yes, T-Mobile plans to up the rate it charges businesses to send text messages to its subscribers by a quarter of a cent per SMS, according to one service provider.

For large mobile marketers, it's not a big deal. For smaller businesses, maybe, maybe not.