Already last week Twitter refreshed the design of their web site, rounded some corners, moved the navigation to the right sidebar, implementing Ajax and offering new design themes.

On tuesday T-Mobile and Google presented the first Androide phone called T-Mobile G1. It will be shipped October 22nd in the USA and will cost $179. Some of the features mentioned are a QWERTY keyboard, instant messaging, Google Maps with Street View and Compass View, a web browser based on WebKit, access to Amazon.com MP3 Downloads and more. The video of the T-Moble G1 press conference is avaiable online.

Yahoo! announced it’s new digital ad platform APT, a web-based platform that offers a simplified work flow process to streamline the ad buying process across multiple accounts and publishers. (Via Yodel Anecdotal)

The New York Times launched a social network on the newspaper’s website called TimesPeople. Users can share recommendations, ratings and comments with other New York Times readers. It’s also possible to search for people or to import contacts from Yahoo! Mail, Google Mail or Windwos Live. More information on the About TimesPeople page. (via Profy)

This week Technorati is releasing a five part series on their annual State of the Blogosphere.

Automattic, the company behind WordPress, announced that they aquired the comment system Intense Debate. (Via WordPress.com Blog)

Moreover some Google news. Google Contacts is the standalone contacts page that is part of Google Mail. Google Reader added some new features like adding tags to notes, switching between alphabetical ordering and drag n’ drop ordering and last-crawl-date for feeds. New in Google Labs are Google Audio Indexing (GAudi) and Google In Quotes. And Google has acquired Korean blogging platform Textcube.