Originally Posted by Logan
Another spin on captcha includes "type in advertising"
Not sure I like it, but an alternative to the equation.
Fair enough, moved to web development. Thanks!
I found Logan comment more useful and add value to the thread. Thx Logan for sharing
I wanted to add something here, Captcha is a set of rules(PHP), conditions or codes. Captcha comes in with many shapes or ways like to add number, subtract , multiply or even re-arrange images or codes to differentiate spams from humans.