Usability 
First Interstate Bank, a regional bank with 50 locations and 100 ATMs in Montana and Wyoming, has launched a mobile banking site at firstinterstate.mobi. The bank is doing a good job of promoting the site with a prominent ad on their web home page and an extensive video tutorial.
Themobile site has ATM and branch lookups which do not require a login to use and include maps, driving directions and, for the branches, hours and click to call phone numbers.
First Interstate customers who have registered for mobile banking have access to most of the usual online banking features; viewing balances, lists of transactions and pending activity, details of individual transactions and transferring funds between accounts; About the only thing you can't do is pay bills.
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