Topsy only announces the news with a post on Twitter. If trying to connect with topsy.com site, opened an official site of Apple explains how to use the search function on the iPhone, iPad and iPod Touch.
Closing Topsy, and riadresimi search on Apple devices, it can be an indication of the integration of this service and its technology to Apple services.
Topsy, bought for 200 million dollars, was actually an advanced search engine of posts on Twitter and public messages on social networks, integrated with Apple products that could challenge Google.