Usability 
Finding and booking hotels at the last minute is something every traveler has to do occasionally. The mobile web seems like an ideal way to do this yet mobile hotel sites seem to all be horrible. Omni's is actually fairly good. The site promises to help you find a hotel, make and view reservations, do online check in and view your rewards program details for the luxury Omni Hotels chain in the US, Canada and Mexico. I tried using it to check availability at the San Francisco Omni. Actually booking was a bit of a hassle because the site requires full credit card information; name billing address, card number and expiration date plus a phone number and email address. No problem, the hotel's phone number is on the mobile page I'll just call the hotel and book - except that the number is not click to call! How dumb is that? You can avoid having to enter your CC details by registering in advance on Omni's web site.