TC Roundup: Amazon turns on prime music streaming

Amazon turns on prime music streaming: There have been a lot of murmurs that Amazon would turn on its music streaming service this week, and it looks like that's just what it quietly did a little while ago. A link to Amazon Prime Music, if you are an Amazon Prime subscriber that is, now takes you to a page heavy on playlists, promising over 1 million songs ready for your streaming pleasure, on top of the downloading service that Amazon was already offering. (Techcrunch)

Alibaba takes on Amazon and eBay with U.S. e-commerce website: Chinese e-commerce company Alibaba Group Holding Ltd unveiled its first direct-to-consumer online shop in the United States on Wednesday, looking to take on Amazon.com Inc and eBay Inc on their home turf. (Reuters)

Uber Protest Threatens European Gridlock: Commuters faced a day of traffic chaos in London, Berlin, Paris and Madrid on Wednesday as taxi drivers mounted one of the biggest protests against Uber, a U.S. car service which allows people to summon rides at the touch of a button. (Re/code)

Twitter Disables TweetDeck After Security Breach: Twitter said Wednesday it fixed a security vulnerability in its TweetDeck application and turned the service back on following a breach that affected users for a few hours. (The Wall Street Journal)