Boolify: PubLearn's Boolean Search ToolVisual tool for creating Boolean searches--shows search criteria as puzzle pieces. Also includes a few lesson plans#search#visualization#education#k-12#lessonplans·plml.org·Apr 6, 2008Boolify: PubLearn's Boolean Search Tool
KartOO visual meta search engine#search#visualization·kartoo.com·Jul 12, 2007KartOO visual meta search engine
