Fineck, a smart necklace for a healthier neck & spine

Have you ever counted how many fitness gadgets you have in your office that just sit in the corner, covered in dust? When was the last time you wore that $200 fitness bracelet when going for a run? Fineck, a new personal activity tracker, aims to monitor your neck and spine condition in the form of necklace. Compared to existing products, Fineck believes it is not crucial to know the number of steps or how many calories we have burned in a day. Instead, the focus is on the condition of the neck and spine.

Dear Uber & Lyft, get your shit together

Let’s start out by saying that I’m a big fan of both Uber and Lyft. I’m indirectly an investor in both companies as I’m an investor in three VC funds that are investors in Uber and one VC fund that is an investor in Lyft. I have no idea how much actual equity I have in either company, but based on current valuations the dollar value of my indirect ownership is non-trivial. And Foundry Group came close to investing in Zimride (the predecessor to Lyft) but we ended up withdrawing from what we thought was an inappropriately high-priced round, which, in hindsight, was clearly a miss on our part.

Why private messaging apps are the future of mobile marketing

Private-messaging apps are coming at us fast. Everyone’s heard about Facebook’s massive acquisition of WhatsApp and recent development of a Snapchat lookalike under the name Slingshot. Yahoo has also made noise in the messaging app world with its acquisition of private messaging app Blink. And then there are new apps like Blink, Chadder, Confide, and Wickr that are radically changing digital communication and forcing brands to experiment with how to best use private messaging for their marketing campaigns.

The top 22 mistakes of first-time CEOs

I have been building this list of CEO mistakes for many years based on my own experiences. This is not rocket science — some of these points may seem obvious when you read them — but it is really tough to know what you haven’t experienced.