The effect in network collaboration refers to the effect of two or more substances, such as the collaboration of individual companies, individual netizens, or certain technologies, on the Internet platform between them. According to the above definitions, which of the following is not a network synergy effect? ['Xiao Wang updates his blog about his life daily through the Internet.', 'Company A and B agree on a project through online video ID card.', 'Members of a network research group share their research results through the network.', 'An e-commerce website launched a limited edition product to attract a large number of customers to snap up.']