Although I’ve been using it since May 2010, it didn’t occur to me to check if fitbit provided a mobile friendly website until the other day. It does! You can see what part of the web page looks like in the screenshot on the left. You can find the mobile friendly site at:
The data you is not, unfortunately, synced directly from the fitbit to a mobile phone (an iPhone 4 in the case of the screenshot). fitbit’s USB wireless receiver only works with a Mac or Windows PC. My 2011 wish list item for fitbit is for an updated hardware product that can sync with a smartphone over Bluetooth.