Google fired back at media mogul Rupert Murdoch, disputing a News Corp. complaint in Europe that the Internet titan has veered from the path of doing no evil.
Microsoft put its spin on Google's Chromecast with a device that lets people mirror what's on Windows-powered tablets or smartphones on their television screens.
Google said it would beef up encryption of its mobile operating system, so that it would not hold "keys" to devices even if it is served with a warrant.
Google has agreed to issue at least $19 million in refunds to consumers whose children made app purchases from its Google Play store without parental consen.
More than 70,000 people have already asked Google to delete links about them under Europe's "right to be forgotten" ruling, with some of the world biggest news sites the first to be hit.