Did you try plunker's business card suggestion? There could be some grit under the edge of the screen which would make the digitizer think that section was always being pressed.
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Jeff Velten
Sprint Treo 755P My apps: 2Dial-4cast-Blue Nomad Security Suite-Datebk6-Diddlebug-Docs To Go-eReader-FieldPlus-FileZ-Google Maps-HandZipper-Hi-Launcher-KeyCaps 600-magicButton-mLights-MobileClock-mRing-Power Hero-PowerRun-pTunes-Quick News-Shortcut5-Snapper-SplashPhoto-TakePhone-TCPMP-TryDA-Unit2Unit |