socalTECH

FEBRUARY 9, 2009

Between 2005 and 2008, there were lots of companies raising half a million, and selling for 15 million. Defensibility is also big--we're not interested in the me-too's without some unique IP. Mark Suster: I would say we were hesitant in 2008. We were hesitant in 2008, because we saw a lack of realism in valuations.

Tech Coast Angels 100

Tech Coast Angels Ideas Entrepreneur Invest 100

SoCal Delicious

JANUARY 15, 2010

ThingFetcher sometimes requests a (shortened) URI 30 times per second, from different IPs. A method to verify the bot All IP addresses used by a bot should resolve to server names having a unique pattern. For example Googlebot comes only from servers named "crawl" + "-" + replace($IP, ".", "-") + ".googlebot.com" Posting tweet.

Social Media 41

Social Media Develop Development Media 41

SoCal Delicious

JANUARY 15, 2010

While handling bots, you should detect search engine crawlers, too: /* lookup your crawler IP database to populate $isCrawler; then, if the IP wasnt identified as search engine crawler: */ if ($isCrawler !== from the IP address range 65.52.0.0 Other rogue bots identify themselves by IP addy, user agent, and/or referrer.

SEO 37

SEO IP PHP Blogging 37