Silicon Valley in-person tech conventions to return in fall

While Apple's mega software showcase of the year, the World Wide Developer Conference remained virtual for a second year, many more tech conventions are poised to be in-person, after California moves away from the color-coded tier blueprint on June 15.

Salesforce to buy work chat service Slack for $27.7 billion

Two San Francisco tech giants headquartered about a block away from each other are joining forces. Cloud software pioneer Salesforce.com is buying work-chatting service Slack for $27.7 billion in the biggest acquisition of Salesforce's 21-year history.