The criteria and metrics can be classified according to its type and time span. Regarding the type, we can either evaluate these campaigns "Quantitatively" or "Qualitatively". Quantitative metrics may include "Sales Volume" and "Revenue Increase/Decrease". While qualitative metrics may include the enhanced "Brand awareness, image and health" as well as the "relationship with the customers".
Ad blocking, or ad filtering, means the ads do not appear to the user because the user uses technology to screen out ads. Many browsers block unsolicited pop-up ads by default.[87] Other software programs or browser add-ons may also block the loading of ads, or block elements on a page with behaviors characteristic of ads (e.g. HTML autoplay of both audio and video). Approximately 9% of all online page views come from browsers with ad-blocking software installed,[88] and some publishers have 40%+ of their visitors using ad-blockers.[3]
One hundred years ago, companies such as Sears, Roebuck & Co. and J.C. Penny Co. used customer data to send out catalogs and mailers. Back then, the companies possessed small sets of data, mainly names and addresses of customers. Now, marketers have mountains of complex data and are faced with a modern conundrum: How much personal data is too much to incorporate into the content?
You work with a list provider to find and purchase a list of names and email addresses based on demographic and/or psychographic information. For example, you might purchase a list of 50,000 names and email addresses of people who live in Minnesota and don't have children. There are several sustainable ways to use email marketing to grow your business. This isn't one of them.

When planning a direct mail campaign, don’t forget that you still need to follow the basic direct mail rules. A good list, a good design and a strong call-to-action are a must in order for your direct mail to be a success. Provide information on how people can use the technology you are including and strong content for them to view. If the content is not well designed, then your effort will have been a waste of time.

Companies considering the use of an email marketing program must make sure that their program does not violate spam laws such as the United States' Controlling the Assault of Non-Solicited Pornography and Marketing Act (CAN-SPAM),[9] the European Privacy and Electronic Communications Regulations 2003, or their Internet service provider's acceptable use policy.
Did you know there are organizations dedicated to combating email spam? Thank goodness, right? They set up a little thing called a honeypot, which is a planted email address that, when harvested and emailed, identifies the sender as a spammer. Similarly, things called spam traps can be created to identify spammy activity; they're set up when an email address yields a hard bounce because it's old or no longer valid, but still receives consistent traffic. Fishy, eh?
If you sign up for something and the terms include words like "Sign up to receive updates from us and our partners that we think you'll like," your email address is likely being collected for a shared or sold list. A subset of this method is called co-registration. This is where you sign up at a website, but that website also automatically, or nearly automatically, signs you up for other sites. They try to legitimize this by informing you of the additional subscriptions, or providing boxes to uncheck. This is a situation where it's not the subscriber’s intention to sign up for the material they will be receiving.
Push marketing is a proactive technique that enables e-marketers to "push" their product/service information to Web visitors or shoppers without their requesting it. Banner advertising, pop-up advertising, e-mail promotion, and spamming belong to push marketing. For instance, e-marketers can rent designated space from Internet service providers such as America Online or MSN for their banner or pop-up ads. Using animated graphics, appealing messages, and links, e-marketers try to lure visitors to their sites to buy their products or services. Many Internet users, however, find such ads annoying and employ software that blocks pop-ups and banner ads. <
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