What is Web 3.0 ?

Web 3.0 is one of the terms used to describe the evolutionary stage of the Web that follows Web 2.0.

Nova Spivack defines Web 3.0 as the third decade of the Web (2010-2020) during which he suggests several major complementary technology trends will reach new levels of maturity simultaneously including:

1. transformation of the Web from a network of separately siloed applications and content repositories to a more seamless and interoperable whole.
2. ubiquitous connectivity, broadband adoption, mobile Internet access and mobile devices;
3. network computing, software-as-a-service business models, Web services interoperability, distributed computing, grid computing and cloud computing;
4. open technologies, open APIs and protocols, open data formats, open-source software platforms and open data (e.g. Creative Commons, Open Data License);
5. open identity, OpenID, open reputation, roaming portable identity and personal data;
6. the intelligent web, Semantic Web technologies such as RDF, OWL, SWRL, SPARQL, GRDDL, semantic application platforms, and statement-based data stores;
7. distributed databases, the “World Wide Database” (enabled by Semantic Web technologies); and intelligent applications, natural language processing, machine learning, machine reasoning, autonomous agents.

Research under Spivack's definition

Transformation: Web 1.0 was "read-only", Web 2.0 is "read-write", and Web 3.0 will be "read-write-execute".

Network computing: Web 3.0 could be the realization and extension of the Semantic web concept. Academic research is being conducted to develop software for reasoning, based on description logic and intelligent agents.

Distributed databases: The first step towards a "Web 3.0" is the emergence of "The Data Web" as structured data records are published to the Web in reusable and remotely queryable formats, such as XML, RDF, Website Parse Template and microformats.

Intelligent applications:Web 3.0 has also been used to describe an evolutionary path for the Web that leads to artificial intelligence that can reason about the Web in a quasi-human fashion.

3D spaces: Another possible path for Web 3.0 is towards the 3 dimensional vision championed. This would involve the Web transforming into a series of 3D spaces

Socio-technological research: Web 3.0 is "the biological, digital analog web where information is made of a plethora of digital values coalesced for sense and linked to the real-world by analog interfaces.

How is Yahoo! different/similar to Google marketing?

Billing

Yahoo! Sponsored Search allows advertisers to decide on the maximum amount they want to pay for every click that their ad gets. It sets a minimum account balance and sends you a bill when that amount has been reached—which may mean multiple charges each month.

Google Adwords has no minimum spending requirement. It accumulates advertising clicks and sends you a bill every month.

Keywords feature

Google Adwords allows its clients to choose the keywords that relate to their business, and offers cost estimates as well as keyword traffic to allow its clients to make more-informed decisions on selecting keywords to help maximize their budget.

Yahoo! Sponsored Search also comes with an interesting, but much less powerful keyword-help feature, where various keywords (relevant to your business) will be displayed for advertisers to select from.

ADs Matching
Google Adwords uses a technology called contextual targeting that automates the matching of ads to relevant web pages in the Google content network. Google Adwords also offers its advertisers greater control by allowing them to hand-pick particular sections of websites where they wish to see their ads appear.

Using Yahoo! Sponsored Search, the maximum cost-per-click and the quality of your ad determines where the ad will be displayed in the search results.

Reporting
Google Adwords advertisers can measure results using the placement performance report, through which an ad's performance can be reviewed site-by-site, to determine better-performing websites that should be targeted more aggressively.

Yahoo! Sponsored Search data are only updated daily.