Why are some wors highlited in blue print?

@bhchy1 (6052)
United States
September 15, 2006 10:40pm CST
I just noticed this on several posts? Is a new thing or a key word thing?
2 responses
• India
26 Sep 06
i suppose they are the tags... well..evn im not sure....but that s wat i feel so.... welll...wen other members post here...u mite get confirmed
@bluedropus (1073)
• Vietnam
26 Sep 06
Because blue is porpular color.