How slack works Slack is mainly known for its Persistent Group Messaging service. Trivia: 4M Daily active user (DAU) and 5.8M WAU Slack has about 2.5M web socket connections open simultaneously at their peak. Half of DAU outside US Slack uses a conservative tech-stack: Technologies/tools which are >10y... Read more 18 May 2021 - 3 minute read
Timeline delivery When it comes to tweet delivery, it is really all about timeline. Now timeline is a chronologically reverse ordered series of tweets. The following table summarized a few of the timelines used at twitter Pull Push TargettedTimeline twitter.comhome_timeline API Us... Read more 16 May 2021 - 5 minute read