Skype calls on Amazon Echos, Tumblr disappears from iOS, Facebook on a war footing, iPhone sales storm clouds, and the Bitcoin Cash hard fork explained.Links:Skype calling now available on Alexa (The Verge)Tweet Storm on Where Tumblr's Gone (@bluechoochoo)With Facebook at ‘War,’ Zuckerberg Adopts More Aggressive Style (WSJ)Tim Cook defends multibillion-dollar Google search deal despite Apple’s privacy focus (The Verge)Apple Suppliers Suffer With Uncertainty Around iPhone Demand (WSJ)With Facebook at ‘War,’ Zuckerberg Adopts More Aggressive Style (WSJ)Bitcoin Cash Declares War: Why Coming Hard Fork Could Mean Another Split (CoinDesk)One Day After the Bitcoin Cash Hard Fork: Takeaways and Latest Developments (Bitcoin Magazine)See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.