Twitter launches new homepage

Twitter has just launched its anticipated new homepage design. As expected, the new homepage is all about search and trending topics. The new shiny blue facade features a search field that takes center stage and also breaks down trending topics into three main sections: popular topics right now, popular topics today and popular topics this week. In order to see the new homepage, you must logout and log back into the site.
When you select a trending topic from the homepage it brings up the most recent tweets mentioning that topic. Unfortunately, you have to manually refresh the page to view the most recent tweets. I was hoping Twitter would dynamically update the search like Friendfeed does but that is not the case.
Here, the “Google Voice” trend has a definition on its search page – which is identical to What the Trend’s definition below: