for some ungodly reason, twitter.com nor any twitter apps like tweetie or twitterific will load for me on my macbook pro since installing snow leopard. I can login fine on my iphone and windows 7 pc on the same network. firewall is off on my mac. I have tried firefox and safari and clearing the cache. It just 'fails to open page' on safari and firefox. I have an AirPort Extreme router. Anybody else running into this issue? Or how can I fix this?