New version of Google Groups in Beta

Google launched a new beta version of Google Groups, with a lot of new features such as:
- New design for individual groups
-Group owners can now create a welcome message, upload a group logo and customize fonts and colors
-Many of the functions of Google Page Creator right into integrated into Google Groups
-Using Gmail's message cards for discussions, which makes them easier to follow
-Adding a Files section so users can share and collaborate on documents
-Helping groups have a better sense of their members with the Member area

The new Groups experience in Official Google Blog

New Google Code Search

Google launched today Google Code Search, which gives programmers a single place to search publicly accessible source code.
Google also launched a number of general-purpose developer and open-source tools like Google Web Toolkit and project hosting on Google Code.

More developer love with Google Code Search in Official Google Blog

Advanced features in Accessible Search

Google added advanced search features to Google Accessible Search
Example of advanced queries:
restrict search to portions of a page, e.g., the title
restrict search to results in a given language
restrict searches to web pages found during a given time period
restrict searches to content in a given file format
details: Advanced Search Tips

Accessible Search now has advanced search features in Google Blog

Ping Google Blog Search

Google Blog Search launch today a Pinging Service; a way for individual bloggers and blog platform providers to inform Google of content changes.
Blogging providers who syndicate RSS/Atom/XML and want to be included in Google Blog Search can now ping Google directly: Google blog Search Ping Service
It also possible to use Google API to make this ping automatic:
About Google Blog Search Pinging Service API

Fresher query stats in Webmaster tools

Query stats in webmaster tools provide information about the search queries that most often return your site in the results.
Google changed the way to calculate them and how frequently, Google explain also in this post how they calculate query stats :
Fresher query stats in Official Google Webmaster Central Blog

Google Talk open for all

Google Talk is now open for all (Gmail accounts no longer required ); but there are still some features including chat histories and mail notifications that will only work if you sign into Google Talk with a Gmail account.

Now anyone can Talk

New version of Google Reader Today

Google launch today a new version of Google Reader with new features


Your inbox for the web in Official Google Blog
Google Reader

Google Transit add more cities

Google Transit Trip Planner added today five more cities to their coverage:
Eugene, Oregon
Honolulu, Hawaii
Pittsburgh, Pennsylvania
Seattle, Washington
Tampa, Florida
Now riders in these cities (and Portland, of course) can use Google to plan trips using public transportation, and in some cities, compare the cost of public transportation with the cost of driving. You can also specify when you want to leave or arrive, and see different route possibilities.
Happy trails with Google Transit in Official Google Blog.

Google add weather to Google Calendar

Google add weather to Google Calendar:
"You can add web content events to your own calendar for weather forecasts, moon phases, and even Google doodles (those special-occasion logos you sometimes see on Google.com). Now you can be the first to know when there's a new one!"
Google Calendar does something about the weather
Google Calendar

AJAX Search API for Beta Blogger

Blogger template hacking-via-javascript:
Notable stuff:
- the sidebar's "Google Search" field searches multiple indexes (Web and BlogSearch), as well as individual sites (in this case the AJAX Search API blog, the Google blog and www.blogger.com) - you can customize all of these things
- the sidebar's "Video Search" field displays (and plays!) results inline
- links in the main blog section can dynamically link directly into the sidebar's embedded Map and Video boxes (try clicking the 'Sakana' and 'Jimi Hendrix' links)

AJAX Search API Hackery in blogger official blog
further details about the tweaks and integrations:
AJAX Search in TypePad and Blogger