Google Specialized Search allowed users to search across a limited index of the web for specialized topics like Linux, Microsoft, and 'Uncle Sam.' Launched September 15, 1997; shut down June 5, 2011 — it lived 13 years. One of 26 Google products killed in 2011. https://www.seroundtable.com/google-uncle-sam-13518.html Data: Killed by Google (killedbygoogle.com, MIT).