The San Diego East County Chamber of Commerce will host its upcoming First Friday Breakfast starting at 7:15 a.m. on Friday, Sept. 6 at the Ronald Reagan Community Center, 195 E. Douglas, El Cajon. Cost to attend is $20 per person for members, $25 per person for non-members. The program will feature presentations by Monica Zech, City of El Cajon public information officer, on how businesses can prepare for a disaster, and Dr. Eric Frost, co-director of San Diego State University’s Homeland Security Program, on “To Tweet or Not to Tweet.” The program also will include networking and announcements. For more information and to RSVP, contact the Chamber at (619) 440-6161, or visit www.eastcountychamber.org.