why r dating sites popular

r there any popular dating sites...??? i really dont know....!!!

i think ppl find it easier to talk to a person without being face to face and it gives them a i guess a sense of security with a tinge of adventurousness(is that a word?) it gives a person that boldness to say sumthin that wouldnt normally say in public or with their date theres also distance, comfortability, and sumthin else i cany think of that affects their ability to engage in the "real" dating scene rather than the virtual