Scientific Calculator
Notebook
Pens/Pencils
Protractor
Stapler
Ruler
Clif Bar/Bag of Almonds
Bottle of Water
Books
Flash Drive
Gum

Nerd

Hahaha this is awesome. I take a backpack everywhere as I don't have a car

Currently:
hammock
pants
5 yuenglings
headphones
phone charger
running shoes
t-shirt
hat
deodorant
water bottle
rain jacket
~$4 in change

Extra set of clothes minus pants
Sunglasses
Phone Charger
iPod Charger
Nikon D7000 SLR
Charger for said Nikon
Strap for said Nikon
Small journal and a pen for jotting down stuff

It's a work in progress.

Canteen with 1/4 of water
Fleshlight
Inspector Gadget DVD
Can of diet coke

Dust.

Laptop
Phone
1TB external drive
2TB external drive
Water bottle
There will be blood on blu ray
Man with no name trilogy on blu ray
...Like Clockwork on cd
Assorted guitar picks
Science Textbook
Camera + lenses
4X scripts for my film
130 pages of storyboard template
1Q84
Infinite Jest
Koss Porta Pro headphones
Banana
Pen
Zoom H4N

I think that item would go better with a porn DVD. :p:

Think of the possibilities of having Inspector Gadget at your control though...

I don't carry a backpack, I'm actually pretty surprised this many of you do, and I'm now considering buying one, but as of today any of my daily carry items that don't fit in my pockets are stored behind the seat or in my glove box, truck goes everywhere with me so it's basically a gasoline powered backpack with a V8 and wheels.

Pockets:
Wallet / ID
Keys / Leatherman-Mini
Nexus 5
Lighter
Guitar Picks
Gum
Buck 110 Knife
Leatherman Wingman Multi-Tool

Glove Box:
Forest Service Road / Trail Maps
Deodorant
Measuring Tape
Duct Tape
Pens

Behind the Seat:
Tent
Axe
Seagull Merlin (Miniature Stick Dulcimer)
Pillow
First Aid Kits / Water
Tarps
Batteries
Flashlights / Fleshlights
Tire Iron / Pressure Gauges

Truck Bed Toolboxes:
Ratchet / Screwdriver Set
Tie Straps
First Aid Kits
Engine Oil / Transmission Oil / WD-40 / Brake Fluid / Power Steering Fluid
BBQ Sauce
2 Beers
Steel Wool
Rags

Rest of Truck Bed:
Firewood