Techmeme
March 6, 2017, 7:05 PM

Top News

MacKeeper:
Major spam group River City Media left 1.4B email addresses, combined with real names, IPs, and often physical addresses, exposed online  —  Today we release details on the innerworkings of a massive, illegal spam operation.  The situation presents a tangible threat to online privacy …
Valentina Palladino / Ars Technica:
Fitbit unveils Alta HR with heart rate monitoring, available at the end of March for $150; Alta HR, Blaze, and Charge 2 get improved sleep tracking  —  This might be the tracker you want to wear both day and night.  —  Fitbit's thin Alta tracker dropped around this time last year, and the company is already making an update to it.
Jon Russell / TechCrunch:
Twitch co-founder Justin Kan leaves partner role at Y Combinator to launch his own startup incubator program called Zero-F  —  Serial entrepreneurJustin Kan, best known for co-founding Twitch, Justin.tv and Socialcam, has left his position as a partner at Y Combinator to start his own startup incubator program.
More: AxiosTweets: @peterpham and @caseynewton
Will Oremus / Slate:
Twitter says move from chronological to algorithmic timeline has upped engagement in key metrics including retweets and likes, but doesn't say by how much  —  What do you see when you open Twitter?  Until a year ago, the answer was straightforward: With minor exceptions …
Charlie Warzel / BuzzFeed:
How an image of Chuck Schumer and Putin made it from Reddit to Trump's Twitter account in less than 24 hours  —  Twenty hours.  That's about how long it took for a picture to make its way from the depths of Reddit to the Twitter account of the president of the United States.

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