A top engineer at Twitter left the company last month

Here’s one that slipped through the cracks. Chris Pinkham, who joined Twitter two years ago as vice president of engineering, has left the social networking company.
Pinkham is well-known in tech circles as one of the creators of the early Amazon cloud computing service more than a decade ago. Amazon Web Services is now a cloud computing juggernaut that many companies use to build and run their software instead of (or in addition to) using their own data centers.
A Twitter spokesman confir