When Google, Facebook, Splunk and more companies are returning to the office

It's been nearly eight months since the largest tech firms closed their U.S. campuses, banishing employees to their home offices in order to prevent the further spread of the Covid-19 pandemic. Since then, widespread remote work has taken hold, likely transforming the way companies do business in the long term. But while most tech firms are rethinking their remote and flexible work strategies — with some already offering employees the option of working remotely long-term — big companies are…