"Meanwhile, IT professionals and students looking to build Hadoop skills can take advantage of IBM's BigDataUniversity.com, a new Website where users can learn the basics of Hadoop, stream computing, open-source software development and database management techniques to prepare for careers as data scientists. The site includes hundreds of easy-to-use tutorials, videos and coding exercises geared to build Hadoop, BigInsights, DB2 and WebSphere skills, and many courses are free. More than 8,000 students worldwide have already registered from countries such as Brazil, Russia, China, India, Korea, South Africa and the U.S."
You are not giving them your Google credentials - you are allowing them to use Google to sign you in, confirming your identity (name, email). Technical details are here: http://code.google.com/apis/accounts/docs/OpenID.html
- the key point is that your password remains private between you and Google.
