As regular readers of this newsletter know, I’ve been looking a fair amount at how to get untethered from the Internet lately. While I have played with a wireless Palm and looked at WAP, there seemed to be something missing to the whole unconnected Internet issue. What I came to realize is that what works for a computer does not necessarily work in a wireless environment. The main issue is input and output. A wireless Palm is great to get information but somewhat difficult to use to send out email (typing in graffiti being the biggest challenge so far) and WAP works well to get little bits and pieces of information but is limited to a set number of characters (depending on which version of WAP you’re using, you will get an allocation of between 1500 and 2000 characters). As a result, sending out something like this newsletter over WAP does not seem to make sense. However, a new breed of services is now popping up and it could be the next big thing: connecting to the Internet by just dialing into a phone number. In order to test this out, I checked out several services: Tellme Networks, which launched…