Currently we are using Google Data API in our project. As per the Google news that this service will not available after 1 june 2011.
for this we also had query with Google and we got below reply:
reply: This is really a question for the Magento team, are they planning on
supporting the Content API for Shopping in their product? If so, we
can certainly help them with integration.
please suggest me that magento developers are working on the development of this extension?
Please provide us the solution for this. Thanks in advance.