I did listen to Steve when he told me that my backpack was open, and I zipped it. But when I left the Kenmore Square post office, I made the same mistake and missed it, and my stuff came tumbling out on the sidewalk. Fortunately, my laptop stayed put, but my brand new $2 clock got banged up badly.
The lesson is to pay more attention and keep the bag zipped!
Jane's Lessons Learned 