E-COMMERCE!!

B2C Business to customer: Offer things to the final consumer, is the typical internet store!! select the products adding them to a cart and are paid with credit card!

Example: www.abercrombie.com is the official site of the brand, there you find the possibility of viewing new collections, and also change all the colors and mix them in a very interactive way, this allow customers to find an specific product size it and buy it, is like having the store in your computer screen. they give you a shopping bag!!!

B2B Business to Business: Alibaba is the greater example of a B2B, is a portal in which you can buy not only raw materials from china, but others specialized china products. B2B facilitates access to every entrerprise with out going to the place!!!

Example: www.alibaba.com it is great surfing though that web they place the entreprise you are looking for and the sector you are looking for, many of that companies started with out paying and give them a trust pass this is like a certificate given to the companies which permits to locate them and have reliable information of them.

G2C: is kind of e-business example in which citizens use internet to connect with government!

Example: www.dian.com.co is the duties and tax entity which allow citizens to pay their taxes.

C2C: Ebay is a place in which you as a consumer can reach other consumers!

Example: www.metrocuadrado.com is a real state portal in which consumers contact with other consumers to sell their houses or apartments.

P2P: Peer to Peer; allow users to share folders in between with out any intermediaries. NAPSTER, EMULE & ARES!

Example: Bitcomet is a torrent which uses a interchange protocol designes to interchange, the great thing of bitTorrent is that when many people is downloading some speceific folder insted of slowering it make it quicker, each node contributes to the distribution of the folder