A couple years ago you proposed competing with Google on design (http://ycombinator.com/ideas.html). What do you think about efforts to compete with Google with human-powered algorithms (like Wikia Search)? Is there any potential there?
I want to be able to find performance bottlenecks after usage spikes, so I would like a tool which monitors and logs cpu, memory, disk io over time on each of my servers. These are ubuntu servers.
If you have any other suggestions for tools I can use to help find bottlenecks, I'd appreciate that too; I'm new to this.
I'm currently using Admob to publish ads. Adwhirl seems to be better because it aggregates ad publishers, but I haven't been able to find any online discussion about it.
How would I go about building a craigslist-type phone verification system, which, when given a phone number, either texts or calls the number with a code that the user can use to verify that it's their phone?