Hepatitis B tests involve a blood sample collection. People can purchase a test in person or get one from an online company. Companies that sell tests offer instructions and tools a person will need ...

Relying on testing to guide vaccination recalls an approach the United States tried in the 1980s and early ’90s that still led to thousands of cases of hepatitis B among children every year.

How much of your digital strategy is based on things you know rather than things you think you know? As digital marketers, we like to think of ourselves as totally data-driven people -- but the truth ...

I think it's safe to say that by about 2010, email marketing was a full-fledged marketing tactic. If your business wasn't using it to engage with consumers, then you may have been missing out on ...

Learn how A/B testing and multivariate testing impact SEO and 8 tips to improve your tests and processes to maximize your site's SEO performance. To be successful in SEO, we need to have an ...

A/B testing can be a great tool for enhancing website functionality, user experience and conversions. However, when done at an enterprise scale, A/B testing poses unique challenges that can ...

What makes a good headline? Over-the-top superlatives? Clever wordplay? Eye-popping numbers? Newsrooms grapple with this question on a daily basis. Headline writing is an art, a careful balance of ...

The hepatitis B titer test can reveal whether you’re immune to the virus, either because of vaccination or previous exposure. It requires a simple blood draw. Titer tests measure antibodies in your ...

If you were going to send the first OkCupid message to a potential date, how many versions would you come up with? And how would you test to see which one was the best one? Fortunately, there is no ...

Mark Sanderson receives funding from Microsoft Research and has previously received funding from Google. The market testing that helped give us the Google search we know today is being emulated by ...