BTCClicks a very intuitive PTC
What are the PTC pages of bitcoin?
Another way to earn Bitcoins is by The PTC pages (pay per click or pay per click) that are intermediaries between advertisers, who pay for an amount for "view" impressions of your page, and visitors who earn a percentage of that amount paid by the advertiser when viewing said site for a time that can vary between 10 to 60 seconds, according to the plan contracted by the advertiser.
These pages are also available in 20% and 50% generated by the referrals, through a link.
As an example today see Btcclicks.com, is one of the largest PTC that pays in BITCOIN and is a niche in which you can make much profit.