Two weeks remaining for Sikat ang Pinoy competition. Everyone now building huge of links to increase their sites on google.com. The battle getting hotter for the nearest end. Everyone build links via blog commenting but according to my knowledge backlinks is not the primary way to get the highest rank on SERP. You need to work hard building links not only for blog commenting but also try to used tricks.
Having an effective tricks help you. Currently I gain a highest position from my new tricks. This trick is I think effective. Because I am now on top 3.