MySpace failed to scale with their user base and the site at its peak became horribly slow and felt broken. They didn't get good technical folks to fix the arch

MySpace failed to scale with their user base and the site at its peak became horribly slow and felt broken. They didn't get good technical folks to fix the architecture in time, and then combined with the failure to innovate and add more "addictive" features such as a news feed ultimately led it to die a slow death.