It was said that FaceBook would not give any major advantage to anyone, but less than a week into the game some players have amassed huge FB funded armies, such as this army (she additional troops in her other city):

http://battlena1.evony.com/default.html?logfile/20100401/b2/3d/b23d1474cb7c375e490bcbe6a1ddb4a6.xml



IMO the FB "gifts" will ruin Age II faster than the exploits ruined Age I