16. The system of claim 11 , wherein the operations further comprise: receiving, at the Internet search system, a second occurrence of the search query from a second user; receiving multiple second search results, each of the second search results identifying an Internet resource indexed by the search system that satisfies the query; determining that the search query matches a name of the user and that the user is a contact of the second user; and providing to the second user, in response to the search query, a second ranking of the one or more second search results and a second personal knowledge panel comprising one or more items of the updated user information provided by the user.
16. The system of claim 11 , wherein the operations further comprise: receiving, at the Internet search system, a second occurrence of the search query from a second user; receiving multiple second search results, each of the second search results identifying an Internet resource indexed by the search system that satisfies the query; determining that the search query matches a name of the user and that the user is a contact of the second user; and providing to the second user, in response to the search query, a second ranking of the one or more second search results and a second personal knowledge panel comprising one or more items of the updated user information provided by the user. 17. The system of claim 16 , wherein the second ranking of the one or more second search results is based on the updated user information provided in the second personal knowledge panel.