It is more than a chance, just a mere matter of time, but for the time being we are quite safe... Let's enjoy it
Agree 100%, as the protection gets more sophisticated so will the bots. Registration spam may not be an issue however I've no doubt posting spam will be. Most of the spam posted by bots is easily spotted however they rely on volume, they are well aware that most of the posts will be spotted but also know that some will not. If they can they will and once they figure a way through the front door it's going to become a problem.
They could always ratchet it up a notch and implement something like the forum AI mod I requested here:
http://www.phpbb.com/community/viewtopi ... 519&hilit=
I'm pretty sure I've even conversed with one on a forum once
. The key there is you can teach the bot, if for example you wanted to post spam to a video forum you could "teach" it about video. Be much harder to detect because you'd be going by instinct or would have to pick up on little nuances. Could be your just talking to a stupid person.
This is one of the reasons I'm a firm believer in asking a question for registration. The registration for my forum is quite simple, I have a paragraph with underlined word in it, the answer is the underlined word. Of course if everyone used the same system it would easily be defeated. Bots can't get by that now and I could always adapt my question in the future.
“Results! Why, man, I have gotten a lot of results! I have found several thousand things that won’t work.”
Attributed - Thomas Edison