OAKLAND -- Roughly 3,000 people flocked to the Marriott Oakland City Center this week for a business conference that, in many ways, was just like any other.

Months after Massachusetts voters voted to broadly legalize marijuana for recreational use for adults over the age of 21, the New England Cannabis Convention is returning to Boston.

Months after Massachusetts voters voted to broadly legalize marijuana for recreational use for adults over the age of 21, the New England Cannabis Convention is returning to Boston.