Cambridge, Mass. Facebook which was started in Cambridge by Mark Zuckerberg a then student at Harvard has had only a minor prescence in New England’s top tier tech town, with only 150 employees.

That Facebook status change as the company will be adding 500 employees in the city at a new building at 100 Binney Street.

Bristol-Myers Squibb which is moving research out of Wallingford will also be a tenant in the building for center to study genetic disease. Facebook told the Boston Globe that the be “a hub for the company’s machine-learning efforts, as the company attempts to understand how Facebook’s data, hardware, and software can be optimized to serve users.”