[Link] pandas and lobsters

Google apps are for working and getting things done; social apps are for interacting and having fun.

Facebook is a lobster trap and your friends are the bait. On social networks we are all lobsters, and
lobsters just wanna have fun.

A post from ifindkarma, to be read just for the lobster analogy.
Especially teaching is the Foursquare case: the founders previously built Dodgeball, sold it to Google  (Google then shut it down in 2009) and then left – frustrated – to found Foursquare, which is based on the same idea.

The multitier architecture

Microsoft Dynamics NAV 2009 biggest technological improvement is the migration from a client-server to a 3-tier architecture.

At my work, we received several questions from the partners about what does it mean and which are the advantages and I realized that, in general, not much is known about the multi-tier architectures,  so here is a small summary.

Client-Server architecture

The client-server model is a distributed application structure where the server provides a function or service and one or many clients request and consume them. This was a progress from the initial architecture where one monolithic and centralized mainframe was computing and presenting all the functions or services.
The advantage being to have clients remotely away from the main computer.
Many business applications use this model, sometimes called also two-tier architecture.

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