Erin Go Bragh: St. Patrick’s Day Was a Hot Topic on Facebook, Instagram in March

Facebook IQ also found that users on both social networks discussed Stephen Hawking’s death

Guinness was also a Hot Topic on Instagram last month vadimguzhva/iStock

Facebook and Instagram users had their Irish up last month, as St. Patrick’s Day dominated Facebook IQ’s list of Hot Topics for the month on both social networks. David Cohen is editor of Adweek's Social Pro Daily.