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This is how the MacConkey agar plate looks after 24 hours of incubation. Are these bacteria positive or negative for lactose fermentation?    

In the context of mobile marketing, how can the use of beacons in retail settings enhance content and communication delivery to consumers through mobile marketing?

USA Today wants to know if using a curvy-shaped call-to-action button like the one at the left of the picture below (vs. a rectangular-shaped button like the one at the right of the picture below) would be more effective in increasing subscriptions to the website. Hence, the managers of USA Today decided to run an AB test (A method for CONVERSION RATE OPTIMIZATION).    After running the AB test, they noticed that about 1500 visitors saw the ad with the curvy-shaped button and from those who saw the ad, 500 decided to subscribe. In contrast, they noticed that about 1200 visitors saw the ad with the rectangular button, and from those who saw the ad, 400 subscribed. Hence, from this test we could say that:

Given the importance of keywords for SEO strategies, one strategy that could potentially increase a page’s ranking on Google would be to include many keywords or use a keyword too many times within a page to make it seem more relevant, even when this is not directly related to the content. This would be a:

When engaging in online purchasing behavior, individuals are more likely to experience a heightened sense of psychological ownership, thereby increasing their likelihood of completing a purchase, when interacting with which type of device?

Suppose that someone searches on Google for “Black Friday Deals” and gets the following results page (Pay attention to the picture and the details): Best Buy is shown as the first suggestion after this search. The fact that Best Buy appears in this position on the page is the result of a:

If you are running a paid search campaign for a top product or brand in the market (i.e., Coke, McDonald’s), which approach should you take to prevent overpaying for irrelevant clicks while still achieving high visibility?

In terms of online advertisement, why are the reasons why the phenomenon known as banner blindness occurs and what are the potential consequences of it?

When crafting an online ad strategy, how could the selection of keywords contribute to a problem known as ad safety if not done properly?

Which of the following email headers would be most likely to get flagged as spam?