Father’s Day, which is just round the corner, is all about emotions and expressing love and gratitude towards your dad. And it is this emotion on which various industries like hospitality, travel, retail, consumer services, etc. have been banking their email marketing efforts, so as to achieve a booming ROI. It is true that the share of annual search for Father’s Day is lesser as compared to other major holidays like Mother’s Day, but the query trends certainly show a…