With the rapid spread of the internet eye where in the world, and the (1)_____ number of users, one of the most exciting developments on the internet is E-commerce—(2)_____ commerce. E-commerce has two forms, (3)_____ business-to-business, or B-to-B, and business-to-consumer, or B-to-C. B-to-C was the first of these developments. It grew (4)_____ from the first days when people started to buy things from their homes without going to a shop. First came 'catalogue shopping' (5)_____ you choose what you want from a catalogue (6)_____ pictures and other details of everything that is (7)_____ sale. You then send an order with a check by (8)_____ and the things you have chosen sent to your home. Then (9)_____ 'television shopping', where (10)_____ a catalogue, the items for sale are shown or (11)_____ on television to attract the customer. (12)_____, the customer sends a check and the item is delivered to his or her home. B-to-C is the (13)_____ development, where the 'catalogue' is (14)_____ on the internet, combining the advantages of both the book catalogue and the television and indeed adding more (15)_____ The customer makes his choice but rather than sending an order and a (16)_____ through the post, he places the order and pays for it using his credit card, all using the (17)_____ Many people worry about giving (18)_____ of their credit card over the internet and the danger that it may be deceitfully used. (19)_____, the general view is that with modern systems of secure measures the dangers of the misuse of credit cards is (20)_____ greater in a shop, garage or restaurant than in using it for shopping on the internet.