synapse was a music recommendation system that used artificial intelligence in order to learn users listening habits and make song recommendations that fit their style of music the program gained a lot of attention due to its complexity and was discovered by some major technology companies like Microsoft and AOL who were interested in acquiring it and hiring Zuckerberg however the senior declined their offers because he was able to see beyond what sinaps represented and instead of cashing a short-term opportunity he was likely thinking about the bigger picture and chose the long-term vision