The advice already given here is good - if you believe you can be a 'google' the their 'altavista' then your new competitor is an important validation & valuabl

The advice already given here is good - if you believe you can be a 'google' the their 'altavista' then your new competitor is an important validation & valuable testlab for your idea - go for it. BUT as others have noted, that depends on your market etc. Good luck.