Belt: iPhone on left side belt, work badge reel on right side (when applicable), FitBit on right side. I am have recovered from the situation a few years ago at which I reached Peak Batman; at one point I routinely carried a Palm TX, featurephone, pager, iPod, and pocketknife/multitool (Victorinox Cybertool 34) sometimes supplemented by a point & shoot camera and/or handheld GPS unit.
My phone now replaces all of those except the Cybertool, which I stopped carrying so it wouldn't wind up in the jaws of the TSA. That thing can field-strip an AlphaServer without any other tools; I've done it.
Pockets: (left) wallet, (right) Nexus 4, keychain, usually a ballpoint pen or two. The keychain has a leather ID folio for my CharlieCard and ZipCard, a fold-out iPod/iPhone cable (30-pin, so I'll probably remove this soon now that I don't have a 30-pin iPhone), and a small TSA-compliant Leatherman multitool. Also some keys. :-)
Bag (Brenthaven Trek laptop backpack): iPad, work laptop (if on call) or personal laptop (if traveling for long enough to make it worth bringing), miscellaneous batteries/cables/adapters/etc (including a 10000 mAh battery that let me recharge both phones at 4th Street), flashlight (also seen at 4th Street), medications (ibuprofen and other OTC, plus my usual prescription items), pens, headphones, sunglasses, windbreaker/emergency rain jacket.
Sometimes added to bag:
-"need food" supplies: I am a big fan of RealSticks, which are protein in a form that's tasty, quick, needs no refrigeration, and gluten-free (and also free of milk and nut allergens) for those who need it. They're available as singles at Whole Foods if you want to try them, but I now buy them by the box so I have 'em available to pack for trips etc.
- dead tree books (for plane flights or for reading before falling asleep).
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My phone now replaces all of those except the Cybertool, which I stopped carrying so it wouldn't wind up in the jaws of the TSA. That thing can field-strip an AlphaServer without any other tools; I've done it.
Pockets: (left) wallet, (right) Nexus 4, keychain, usually a ballpoint pen or two. The keychain has a leather ID folio for my CharlieCard and ZipCard, a fold-out iPod/iPhone cable (30-pin, so I'll probably remove this soon now that I don't have a 30-pin iPhone), and a small TSA-compliant Leatherman multitool. Also some keys. :-)
Bag (Brenthaven Trek laptop backpack): iPad, work laptop (if on call) or personal laptop (if traveling for long enough to make it worth bringing), miscellaneous batteries/cables/adapters/etc (including a 10000 mAh battery that let me recharge both phones at 4th Street), flashlight (also seen at 4th Street), medications (ibuprofen and other OTC, plus my usual prescription items), pens, headphones, sunglasses, windbreaker/emergency rain jacket.
Sometimes added to bag:
-"need food" supplies: I am a big fan of RealSticks, which are protein in a form that's tasty, quick, needs no refrigeration, and gluten-free (and also free of milk and nut allergens) for those who need it. They're available as singles at Whole Foods if you want to try them, but I now buy them by the box so I have 'em available to pack for trips etc.
- dead tree books (for plane flights or for reading before falling asleep).