3 items tagged “friends”
2010
Redis in Practice: Who’s Online? Using Redis to implement a “which of your friends are online now” feature, by maintaining a set of active user IDs for every minute, then intersecting the past five minutes of user IDs with a set containing the IDs of your friends.
My email contacts list is not a social graph. It is not a group of people I have chosen to follow, but is instead full of people with whom I have a (sometimes very tenuous) professional relationship, as well as my family and some of my friends. Interestingly, my best friends don’t email me very often, so they do not show up as a part of my Buzz following list.
2008
Go Get Yer Shiny New Yahoo Profile... And Make Some Connections! I’m surprised to see Yahoo! going with mutual friendships as the core of their new social platform—I’ve personally found social sites which support a one-way “follow” relationship far more useful.