Thursday Afternoon ORB Roundup

del.icio.us IE Extension

Business Week tells us Why Twitter Matters

Why Gen Y Is Going to Change the Web

Top 4 Fast Moving Websites May, 2007

1. Dada - Video (video sharing)
2. 800Flight.com (discount airfares)
3. AltDesire (online dating)
4. AutoQuotes.com (multiple price quotes)

More online usage and search stats from Hitwise.