time desplay

[triggerfish]

hi , please help should I be worried about this . have been using mac book for 18 months and this is the first time this has happened to me . While I was reading a website my phone number flashed up on my screen about 4 inches in height right across from left to right and then asked me to click ok which I did and it disappeared now I am worried Mac book OSX. M 2gb v 10.5.8 many thanks .gus

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