Briefly: Muscle Hacker, Bitcoin Guide, Avengers: Infinity War Trailer

Brief news items of note for Lifehacker readers, including: How to build muscle when you’re female, the ultimate Bitcoin and money guide, watch the first trailer to Avengers: Infinity War.

  • Marvel Studios has released the first trailer to Avengers: Infinity War. You can watch it above. [Gizmodo]
  • Meet the 19-year-old who spent over $17,000 on microtransactions. [Kotaku]
  • Here are five ways small Australian retailers can grow in an Amazon era. [Business Insider]
  • Actual headline: What Can Happen To Your Body If You Masturbate Every Day. [POPSUGAR]
  • Business Insider has published an ultimate guide to Bitcoin, gold, and the future of money. [Business Insider]
  • Here’s what you need to know about adding muscle to your frame. [POPSUGAR]
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