Dear Snap-D: With the holidays approaching, it appears that all business slows down. Should we halt our marketing efforts and kick back getting ready for the beginning of the year?A: Business development and marketing is a constant. Never halt your efforts. As a matter of fact, this is the perfect time of year to grab a cocktail or lunch with a client.Because everything slows down a bit during the holidays, people are more inclined to take that lunch break rather than work though it at their desk. Get out of the office and …