Above: Letters spell the word "Alphabet" as they are seen on a computer screen with a Google search page in this photo illustration taken in Paris, France, August 11, 2015.

Nearly two years ago, Google co-founder Larry Page announced the tech giant would be remade as Alphabet, a holding company whose units would include Google and an array of unrelated pursuits in areas such as healthcare, self-driving cars and urban planning.

Previously those riskier ventures had been lumped into Google’s overall financial results.

They include Nest, a maker of Wi-Fi enabled thermostats; Calico, which seeks to prolong the human lifespan; and X, the company’s secretive research lab.

But so far Alphabet has failed to show it can convert its Other Bets from experiments to businesses with the reach, impact and money-making potential of Google’s core search and advertising operations.

Interviews with two dozen former Alphabet executives and employees reveal an organization grappling with how much time and resources Other Bets deserve in the pursuit of profitability.

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