π Feature Centric
π Field Study
π Findability
π Fishbone Diagram
π Flexibility-Usability Tradeoff
π Focus Group
π Fogg's Behavior Model
π Folksonomy
π Force Field Analysis
π Forced Device Jumping
π Frankensteining
π Free Listing
π Front-End Development
π Frontstage
π Future State
π First-mover Advantage