Pockets:
1. Mobile Smartphone
2. Keys with Whistle, Ritter Pico Light, Tink SAK/USB key
3. Bandanna
4. Lighter
5. Wallet with some money, a metal business card, an SD card and a tiny pencil.

I now wear a Scott eVest everywhere. It looks like a regular jacket.

In there you'll find morestuff, including:

a. Charging cable for smartphone
b. Backup USB Battery for charging stuff
c. Leatherman Wave
d. Flat Duct Tape
e. Small FAK
f. Foldable Nylon Bag
g. Pens, Pencils, Rite in the Rain pad.

and other stuff that I think is better to have and not need than to need and not have....