What Technology Would Work Best to Track Finger Movements?

For a project on which I am working, I need to track the location of my finger tip when moving it on a table, so I require a precise solution consisting of small tags. What do you recommend? Is there any system better than RFID for this objective, such as Wi-Fi or...

RFID News Roundup

Trimble introduces ThingMagic Mercury6 RFID reader; Xerafy unveils new X II metal-mount RFID tags; National Instruments expands its wireless sensor platform; RFM announces battery-operated Wi-Fi sensor modem; Deutsche Telekom plans mobile wallet this year; European Supply Chain Institute adds NFC to RFID project for tracking carbon emissions.