Premium Hangouts on Google Free
The premium version of hangouts which usually has a fee, is free until the 1st of July. This is so businesses and schools can stay connected whilst they work at home due to social distancing. Features in the premium version which are especially beneficial to schools and businesses include having 250 participants per call and live streaming to an audience of up to 100,000 viewers.
If your employees need to work from home, it is definitely worth utilising this change.