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History does not necessarily repeat, of course, but the clear differential between the total returns that investors could get from tech exposure via QQQ and "capped" tech exposure via QYLD is very ...

Written exposure therapy (WET) is a brief, evidence-based behavioral psychotherapy designed to relieve the distress associated with traumatic memories. Exposure therapy is a well-established ...

David reviews TVs and leads the Personal Tech team at CNET, covering mobile, software, computing, streaming and home entertainment. We provide helpful, expert reviews, advice and videos on what ...

For example, with a 200mm lens, an f/4 aperture would have a diameter of 50mm (one-quarter of 200mm). So, how does the f-stop, or aperture, impact your image? Primarily, it influences exposure, though ...

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