Question: Some fantasy RPGs treat magic as arcane and thus rare, possibly subject to suspicion by the masses. Other games treat magic as somewhat more prevelant but not ubiquitous.

At some point in this trend, magic may become so commonplace as to be considered a commodity.

**What published fantasy RPG and/or setting features this level of magic?**

One criterion: The magic affects ordinary commonplace people multiple times on a daily basis (i.e. not just adventurers and not just occasionally).

Also: What major socioeconomic characteristics are a direct result of this degree of cultural permeation?

(See Heinlein's novella *Magic Incorporated* as an example of such.)

Answer: 
**Exalted** would fit this although it's much more obviously prevalent in the 1st Age of the setting (which is playable) then the current age.

In the first age magic is common and developed enough to provide a standard of living that is arguably better then ours is. They have internet, flying cars, money chits and more that are all powered by magic. In addition nearly all the rulers beyond the very lowest level are empowered as magic users and many of the mid-level and up functionaries are Exalted who are inherently magical beings. Additionally the gods of the setting (from the spirit who inhabits your front door because he's the spirit of your front door to the major gods) do actively interact with the people to some extent and the people are aware of their existence and powers.

In the current age of the setting (which is the default assumed setting) magic is less obvious then the 1st age but still quite active in people's lives. For one remnants of the 1st age still exist in some case altering the flows of rivers or causing strange affects over whole regions. Exalts still rule the largest nations of the world and in many places where Exalts don't rule magically empowered mortals or gods do. The gods have a much larger active hand in the day to day affairs of mortals (since mortal prayer is their currency) and thus they are willing to interfere in mortal life to get a little extra prayer. Also undead and demons roam the land. Mortals can and do learn thaumaturgy to protect themselves and there are people who make a living using hedge magic to deal with them.
Amazing Engine: Magitech
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Horrible system, excellent setting materials.

In the book, it replaces modern technology with magical equivalents. Cars and trains are powered by bound elementals. Television is replaced with Crystal Ball Networks. Etc.

Really quite a cool read, but the system is often described as "The Amazingly Bad Engine" for its focus on both genre shifting and unlicensed TV/Movie tie-ins, plus an annoying skill system.