Four 11
Provides an internet white pages directory service for locating email addresses, offering free online search and listing services.
Unconventional Ideas
Vision
Four11, founded in 1995, began as a web-based directory that helped users find and connect with each other by email address before the wide availability of search engines and social media platforms. Four11 was acquired by Yahoo! in 1997.
Sub-Industries
Search Engine Technology
Internet Services
Digital Identity Management
Online Service Marketplace
Testimonial
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