Dear mam/sir, R/Sir, I am a hp cartidge user from last 8 years. Recently I came to know about HP Spin & Win Offer. I became happy that HP is given some privilege to their customer. So I tried & w in three gift from this sp in & w in game in last month. But rlast week, I purchase two 818 tri-color cartridge (Rs.972.00) from a local shop and tried to register the pin code in side it so many times but it was shown as in correct. I have written 5 times to the Id : [email protected] / [email protected]. But it shown a... read full review »