Problem with Capacitive Sensor Setup

Here are my codes. But the wire doesn't seem to detect my touch. Any ideas?
Images: capacitive - Album on Imgur

#include <CapacitiveSensor.h>

CapacitiveSensor capSensor = CapacitiveSensor(4,2);

int threshold = 1000;

const int ledPin = 12;

void setup() {

Serial.begin(9600);

pinMode(ledPin, OUTPUT);
}

void loop() {

long sensorValue = capSensor.capacitiveSensor(30);

Serial.println(sensorValue);

if(sensorValue > threshold) {
digitalWrite(ledPin, HIGH);
}
else {
digitalWrite(ledPin, LOW);
}

delay(10);
}

What is it printing out for sensorValue?

Unable to see your image right now but, have you looked at:
http://playground.arduino.cc/Main/CapacitiveSensor


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