def process_mentions()
    mentions = find_mentions(last_processed_id())
    @highest_id_processed_locally = 0

    mentions.each do |m|
        id = 0 #test value
        @highest_id_processed_locally = id if id > last_processed_id()

        DATABASE.set("last_processed_id", @highest_id_processed_locally)

        text = m.text.strip.downcase
        user = m.user.screen_name
        id = m.id
        reply = "@" + user

        if text == "all"
            reply << "You're marked in the queue as eligible for all future games." +
            "If you ever change your mind, just reply to any tweet of mine with 'remove'"

            player_to_db(id, user, 1)
        elsif text == "remove"
            reply << "You've been removed from the queue of future eligible players. If" +
            " you're in an existing game, that game will still complete first as normal." +
            "Reply to one of my tweets again if you ever want to be readded!"

            hashname = "eligible_player_" + id
            DATABASE.del(hashname)
        else
            reply << "You've been added to the queue as eligible for future games! You'll" +
            "remain eligible for the next week. Reply with 'all' to stay eligible forever, or" +
            "'remove' to be removed from the queue."
            # add this player to redis with expirary of one week

            player_to_db(id, user, 0)
        end

        options = { in_reply_to_status_id: id }
        #client.update(reply, options)

    end
end