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Use "userbases" in a sentence
"To that end, for example, advocacy for email addresses to be used as OpenIDs is growing, providing web users the convenience of reusing a familiar identifier, and affording developers a way to “upgrade” legacy userbases that may have been keyed to unique email addresses."
"If this was implemented on Facebook or MySpace, would their respective userbases not be apopletic?"
"Am i the only one who can forsee a massive revolt by both the aol and msn userbases after they hear that their network is going to be “invaded by the enemy”?"