In May, Google Fiber announced a multi-city roll out its service in San Jose, Atlanta, Kansas City, and more. Just three months later, it looks like those plans may be on indefinite pause.

In early August, Google Fiber announced it would delay its San Jose, Mountain View and Palo Alto roll outs, and now executives at Alphabet and Google Fiber are reportedly concerned about the venture's potential for profitability.

Alphabet has not disclosed how many customers signed up for Fiber, but reports have surfaced saying demand is disappointing. The unit’s financials are categorized with the company’s “other bets,” which saw revenue of $185 million and an operating loss of $859 million during the second quarter.

Google Fiber is now on a "short leash," according to a report from The Information. Some speculate it could cut as many as 500 jobs if the business model isn't proven soon.

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