See the last notable case "Craigslist v. 3Taps": http://en.wikipedia.org/wiki/Computer_Fraud_and_Abuse_Act#No...
Nevertheless: If somebody doesn't want you to scrape, don't do it.
See the last notable case "Craigslist v. 3Taps": http://en.wikipedia.org/wiki/Computer_Fraud_and_Abuse_Act#No...