(i) Physical product disputes are a major disadvantage in E-Commerce, E-Commerce purchases are often made on trust.
(ii) This is because, we do not have physical access to the product.
(iii) Though Internet is an effective channel for visual and auditory information it does not allow full scope for our senses.
(iv) We can see pictures of the perfumes, but cannot smell their fragrance; we can see pictures of a cloth, but not its quality.
(v) If we want to inspect something, we choose what we look at and how we look at it.
(vi) But in online shopping, we would see only the pictures the seller had chosen for us.
(vii) People are often much more comfortable in buying the generic goods (that they have seen or experienced before and in which there is little ambiguity) rather than unique or complex things via the Internet.

Name-your own price websites are just like normal retail sites. In contrast, the buyer negotiates with the retailer for a particular product or service. https://in.hotels.com/

(i) In B2B E-Commerce, commercial transactions take place between different business organizations, through the Internet.
(ii) For example, a cycle company may buy tyres from another company for their cycles.
(iii) When compared to other models, the value per transaction in B2B transaction is high, because of bulk purchases.
(iv) The company also might get the advantage of discounts on bulk purchases.
(v) Out-sourcing and Off-shoring are generally associated with B2B E-Commerce.
(vi) If a company's work is hired to another company, it WOuld be termed as out-sourcing.
(vii) If the work is outsourced to a company, which is outside its own country, it is called off-shoring

(i) The third wave is brought on by the mobile technologies.
(ii) It connects users for real-time and on-demand transactions via mobile technologies.
(iii) The term Web 3.0, summarize the various characteristics ofthe future Internet which include Artificial Intelligence, Semantic Web,Generic Database etc.

(i) The growth of E-Commerce is also related to the socio-technological changes.
(ii) The more, the medium becomes deep rooted, the more, are the users drawn towards it. Increase of users, increases the markets.
(iii) As the markets expand, more business organizations are attracted. The more business accumulation creates competition.
(iv) The competition leads to innovation; Innovation in turn drives the development of technology; technology facilitates E-Commerce's growth.