Who wants to just text someone and hope they check their phone when you could instead see if your “buddy” is online, contact him directly if he is or see his away message is he isn’t, and then communicate via IM instead of SMS, which hypothetically means you are communicating over your data connection rather than paying per message with the SMS model.
But the switch is not that seamless.It has got some hurdles too...
Problem 1: Not everyone can get an IM on their phone, and not everyone uses the same service!
Problem 2: Using IM isn’t necessarily cheaper than SMS You’d love to think that delivering an IM from your phone would stream over your data connection and not use your limited SMS cache. But if you are a user in the states, you would be wrong! Both T-Mobile and AT&T deliver your IMs by basically texting. Each IM counts as a message, both outgoing and incoming, so that chat you just had with your friend for 15 minutes about Miley Cyrus just cost you 30 text messages.
Problem 3: IM is not any easier to use than SMS
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