Regular e-mails to all employees are a common best practice. Blitzscaling masters Patrick Collison and YouTube’s Shishir Mehrotra also employed this … - Reid Hoffman

Technology innovation is a key factor in retaining the gains produced by business model innovation. After all, if one technology innovation can create a new market, another technology innovation can render it obsolete, seemingly overnight. While Uber has achieved massive scale, the greatest threat to its future doesn’t come in the form of direct competitors like Didi Chuxing, though these are formidable threats. The greatest threat to Uber’s business is the technology innovation of autonomous vehicles, which could make obsolete one of Uber’s biggest competitive advantages — its carefully cultivated network of drivers — essentially overnight.

Bring the new executive in at a lower level initially and let the executive prove himself or herself. John gave himself the title “Director of Business Development and Operations” and only took on bigger titles after he had demonstrated his ability and value to existing teams. He employed the same technique when he hired Schrep, bringing him in as “Director of Engineering

What got you here won’t get you there.