Whether a site is optimized for mobile could become a search rank signal, Google said
Twitter's search now indexes all publicly posted tweets since 2006
Data from the U.S. Centers for Disease Control and Prevention will be used from the current flu season
Yahoo also offers the tool. Google? Not yet.
Microsoft finally added a search feature to Bing that Google doesn't have: song lyrics.
The team that helped Microsoft's Bing predict the outcome of the Scottish election, World Cup games, and NFL matches wants you to "bet" on future outcomes -- and tell Microsoft loads of other personal details, too.
Other services like Yahoo Education and Qwiki will also close, Yahoo said. But it's the Web directory that first launched Yahoo onto the Web.
If you're still Googling, you haven't seen the latest improvements in Bing's search engine. Recent convert Mark Hachman tells you why he switched, and you could do the same.
Need to know a quick fact? On an Android device, you can now get the answer to some questions faster than it takes a Google search page to load.
Enjoy the best of PCWorld.com in a curated Enhanced Edition for Android, iOS, and Kindle, or in a PDF-like Replica Edition. In the September issue we focus on Windows tools and tricks you might have overlooked. We also explore the newest wireless networking standards, outline Google Drive's productivity services, and more.