Investigation timeline and device recovery efforts

Lidar-maker Luminar says its founder and former CEO Austin Russell has been evading requests for information — including a subpoena — that the company needs in order to decide whether it should take legal action against him.

Twitter co-founder Biz Stone and Pinterest co-founder Evan Sharp have raised new funding for their social media startup West Co.

The startup launched an invite-only version of its first app, Tangle, in November. Now the Financial Times has pieced together more details from comments made by Stone and Sharp, as well as from regulatory filings and job listings.

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