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Do you still need a vaccine if you’ve already had COVID-19? Is it OK to have a different second dose? A booster vaccination enhances the quality of the immune response and sends a reminder about the virus. It doesn’t matter if the vaccine used to prime the immune system is different from the one used to boost, as long as they both contain the critical viral protein. Booster vaccinations are common, and the time interval between them varies....

Today, Netflixannounceda change to the pricing of its DVD and streaming plans. The company is now splitting the two services, offering DVDs by mail and streaming movies from the service as two completely separate products. The new pricing for each service is now $7.99. This means that if you want to get physical DVDs from the service, as well as stream its online catalog, you’ll have to pay $15.98, a 60% increase over the previous price of $9....

A few years ago I met a guy and we decided to start doing business together. He was a great guy and he was making a lot of money doing consulting work. He charged by the hour and consulted a few Internet companies and noticed how much money they were making (this was early 2000). I had just sold my first company and had made some money myself. We both sensed there was an opportunity so we started a business together....

Drchronois a New York born, San Francisco/YCombinatorbred startup. The first version of its app was just an appointment reminder system for patients. Then the company built a medical billing engine which hooked into all of the insurance companies. In March of this year, we wrote about how drchrono is buildinga health care revolution on the iPad. Daniel Kivatinos and his co-founder Michael Nusimow, the CEO ofdrchronoare both software developers and hackers who met in college....

Dodge’s new anti-theft feature made NO sense… until I spoke with experts It didn’t make sense, but now it does The conundrum In short, Dodge’s new security feature is a type of two-factor authentication. Before starting the car, the driver has to input a four-digit code into the infotainment screen to unlock its full potential. If the driver doesn’t punch in the code, the car will enter a low-power mode where its engine won’t rev beyond idle....