What facebook app are you referring to? The one from the market or browser? I myself have had this occur in the browser, but not the crappy facebook for android app Also if your on the browser and not on mobile or touch site it is a pain to try and type, but this wasn't just on the droid x for me i had it happen with my g1 and cliq also so its not the phone. I have no problems with my camera or texting have you done a master reset sense the update. I do one after all the updates and if you use home replacement i heard you should uninstall before updating.