Most of the things you've listen can be done (and are routinely done) by marketers. Because they're marketers doesn't mean they can't use a computer. There are

Most of the things you've listen can be done (and are routinely done) by marketers. Because they're marketers doesn't mean they can't use a computer. There are cases where developers may be required (e.g. building a custom tool for some campaign) but that work can often be outsourced.