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When it comes to Facebook, do you unfriend or filter? It's funny how a question that had zero relevance five years ago is now so important. Anecdotally, I know a number of people who have really strug...
Potential privacy issues arise when summary information is shared on
users’ profile pages, but it is undeniably useful to show some information about a person. You should
take care that yo...
Search often comes last on the list of things to design and build; it’s
almost an afterthought. Two factors contribute to this: it is hard to
build a decent search interface when you have ...
Graphs show up everywhere in social networking. But doing computation on graphs is notoriously time consuming. What are graphs, and how do you work with them efficiently? Here's an answer, from...