Google Talk users were officially forced to upgrade to Hangouts on Monday.
Walmart to partners: don't trust Amazon's cloud with our secrets.
The Amazon and Whole Foods deal could pave the way for broad adoption of machine learning in grocery retail.
Called the Open Academic Search project, the goal is to aid researchers by having the companies, institutes and nonprofits involved make their AI and analysis tools open-source.
At $9 billion, buying Slack would be Amazon's biggest acquisition.