Twitter for iPhone application has been updated to fill some gaps in functionality including the push notification. Twitter also added URL shortcuts, support of the retina display, ability to geotagg and compatibility with the iOS 4.2
There is also the ability to get notifications via SMS. You do this by registering your phone on the page http://twitter.com/devices.

Apple showcased Rock and Roll event last night, where some rumors turned in to reality and some are still rumors. Yesterdays event main highlight was Mr. Job was back on stage, New iPod nano with Video camera and FM, New iPod third generation (no video camera), Firmware 3.1 and iTunes 9. It’s really disappointed to see no video camera in iPod touch third gen as it was highly rumored. iTunes 9 with a lots of new features is available to download via Apple Update or you can also download offline …

If you are wondering why twitter is inaccessible from Thursday morning answer is Twitter hit by DOS (denial of service) attack. Official twitter blog confirms the attack. Official words from twitter blog ” On this otherwise happy Thursday morning, Twitter is the target of a denial of service attack. Attacks such as this are malicious efforts orchestrated to disrupt and make unavailable services such as online banks, credit card payment gateways, and in this case, Twitter for intended customers or users. We are defending …

Since its creation in 2006, Twitter has grown extensive notability and popularity worldwide. It is often described as the “SMS of Internet”. Twitter is a community based website where users post what they are doing at any given moment. The concept is deceptively simple, wickedly addictive and pure fun. Tell friends, colleagues or strangers what you are snacking on, your current interests, favorite websites. Twitter  the fastest growing social site, Twitter had a growth of 1382%, Zimbio had a growth of 240%, followed by Facebook with a growth 228%. …