CQ Politics | Ground Game - Dems' "Green Delegate Challenge"

The website claims that all 50 states and the six extra delegations (DC, Guam, American Somoa, Virgin Islands, Democrats Abroad and Puerto Rico) are participating in some form. So, I did a head count inside the convention center, where the respective delegation flag poles have a green button atop them if they are participating. By my count, 29 of the 56 flags have green buttons...