I have seen references in web-pages requesting visitors to show their appreciation or help by clicking on the advertiser's link.��������������ҳ��Ҫ���ÿ�����ʾ���ǵ����ͻ�Э��ͨ�������ͻ������ӡ� Such desperate methods are of questionable ethics as it provides unwanted clicks for the advertisers, who pays for them.���־���ķ���������������?��Ϊ���ṩ�˲���Ҫ�ĵ�����ڹ��ͻ���˭֧�������ǡ� On the other hand they help the site owner in the short term, undermining the cpc model in the long term.����һ���棬���ǰ�����վ�������ڶ����ڣ��ƻ��˵���ģ���ڳ�Զ�� And I am sure people who would be otherwise unwilling to donate would love to spread some of the click-love, as it makes them feel good for accessing the services of the site without paying a penny.�������˻���˭������Ը���������ɢ��һЩ������飬��Ϊ��ʹ���Ǹ��ܵ����õķ��ʷ��񣬸���վû��֧��һ��һ���� With Firefox way of tabbed browsing, you don't even have to view the ad contents!��Firefox�ķ�ʽѡ�ʽ��������������ã��Բ鿴������ݣ� However it cannot work in the long run.�����ܹ����ij�Զ֮�ơ�

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