Welcome back to The Week in Weed, your Friday look at what’s happening in the world of legalized marijuana.

It was 1911. The New England Watch and Ward Society (née the New England Society for the Suppression of Vice) was battling against drugs and other “special evils.” And in April of that year, the group’s leaders successfully petitioned the Massachusetts Legislature to outlaw possession of several “hypnotic drugs,” including cannabis.

One hundred five years, seven months, and 16 days later — Thursday — marijuana became legal again in Massachusetts.

Changing marijuana laws aren’t necessarily making weed more welcome in the workplace. For now, many employers appear to be sticking with their drug testing and personal conduct policies, even in states where recreational marijuana use is now permitted.

The U.S. Drug Enforcement Administration has introduced a new rule on how it tracks marijuana extracts that is causing concern in the marijuana industry. But should it?

Something we missed that everyone needs to know? Give us a shout in the comments.