There are many reasons for online retailers to be sanguine about the future of online retail.

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Despite the popularity, online classes do have downsides.

Online classes don't offer the same immediate and regular access to instructors and classmates as traditional face-to-face classes.

Unfortunately, the views expressed in today's popular literature about ginseng rarely reflect either the traditional use of the herb throughout Chinese history or the current consensus of scientific knowledge about ginseng and its active constituents.

Demand for online courses has increased in the early 21st century among college students.

It also takes away from some of the social and team-building that occurs informally in college classrooms.

Students sometimes misconstrue that online classes require less time and effort than traditional courses.

Medicinal use of ginseng can be traced back nearly 2,000 years, with reference to cooling and calming properties, treatment of poor nutritional status, and alleviation of digestive distress; quite different from today's recommendations to use it as an energy booster.

Ginseng's active ingredients have been identified and can be measured in roots, extracts, and finished products; studies have shown marked variation among finished preparations.

Because of the numerous advantages and benefits, more and more people say they prefer online shopping over conventional shopping these days.