Bonus Programs"These websites have bonus programs that allow you to earn bitcoins by doing things like taking surveys, answering questions, trying apps, viewing advertisements, referring others to the website, and making purchases at other websites. Some of these have many of the same offers (but they give different payouts for participating in those offers). "
PTC& Visit Pages are nearly the same and both are adviewers.
you have to click some advertising links on 'ptc' (pay-to-click) sites- also 'visit' pages just showing websites for a few seconds.
Other ServicesQ&A Earn
(earn by posting and answering questions)
(post notes and get btc for hits)
(short links, ptc)