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While still valid, the substance behind it has changed somewhat. The Olympic testnet phase (before the Frontier release) saw alot of major improvements, followed by Frontier which was launched immediately after. Homestead marks the exit from a beta product to a stable release. Homestead is introduced automatically at block number 1,150,000 which should occur roughly around March 14th, 2016, Pi Day.
Web3
Many have come to believe that an open, trustless blockchain platform like Ethereum is perfectly suited to serve as the shared “back end” to a decentralized, secure internet - Web 3.0. An internet where core services like DNS and digital identity are decentralized, and where individuals can engage in economic interactions with each other.
Ethereum vs Bitcoin
See also
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