Originally Posted by Baldie
...it takes the place of having to pay monthly charges to your carrier to use your phone as a modem....
Pulse uses a Bluetooth Dial-up connection between your device and a PC/Mac for Internet access. Pulse will route your Internet connection through a proxy server that either you or they control. The big question is "how does this traffic appear to your carrier"?
After skimming some of the documentation it sounds like the Pulse solution may look to your carrier like normal handheld data traffic rather than "tethered" data traffic; however, there's no way to be sure and the data volumes may raise some red flags.
If you're going to try this solution it may be advisable to use it sparingly in testing to see how it affects your monthly data consumption and your monthly bill.
This reminds me of SharkModem that was popular back when tethering was not offered by many carriers.
More information about Pulse can be found here: http://brainmurmurs.com/products/pulse/FAQ.php