Juan Carlos PerezAssistant News Editor, IDG News Service

Juan Carlos Perez covers e-commerce, Google, web-application development, and cloud applications for the IDG News Service.

Google upgrades Gmail video chat with Hangouts

Yahoo picks Google's Marissa Mayer as CEO

Microsoft Office must evolve to remain successful

Windows 8, Windows Store to form basis for Microsoft's 'epic year'

Microsoft buys Yammer for $1.2 billion

Google promotes energy savings with Apps

Microsoft and Facebook strike deal over AOL patents

Tuesday's Gmail outage broader than originally reported

Microsoft sees Skype linking all its products, CFO says

Google+ adds support for established pseudonyms