BannerExchange scattered Azars' Web ad banners among its other clients' Web sites, reserving some of the space for paying customers.
Mr Obama hit back with a long web ad detailing Mr McCain's involvement in the savings-and-loan scandal of the 1980s.
Paid search now represents 47% of the Web ad market, followed by display ads, including banners and digital video, at 36%, and classifieds 11%, according to the Internet Advertising Bureau.
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Obama's remarks are being questioned by Senate Republicans, whose campaign arm is paying for a Web ad asking whether it is appropriate for the president to say Cambridge police acted stupidly.
As the Center's new web ad makes clear, we have no choice but to prevail - and the American people require now more than ever clear, convincing and steady leadership about the consequences of our failure to do so.
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For example, again thanks to Big Data, every Web ad you will soon see on Facebook and across the Web will have been bid upon in real time by advertisers who will pay based upon your perceived value as a potential customer.
Research firm eMarketer estimates that Web video ad sales could reach the billion-dollar mark in 2010.
But, oddly, the vast majority of images on the web are ad-free.
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Buried under regional insurance monopolies, supply-side cartels, and a vast web of ad hoc government intrusions is something remotely resembling an actual market.
"We're trying to change the perception that the Web is an ad-supported medium, " says Scott.
That's right, just listen to this Web-only ad put out by Ron Kind's Republican opponent, Paul Nelson.
True to anything that becomes an instant hit on the web, the ad has already spawned a number of online spoofs.
These third-party Web services include things like ad servers, data or video feeds, Web analytics trackers and checkout functions.
Between its newish Facebook Exchange that allows marketers to target people based on Web browsing habits and new ad formats that look like other ads on the Web, Facebook is clearly aiming to provide marketers with a broad platform on which to reach prospective customers.
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In November, security firm Sunbelt Software found that hundreds of ads placed on Web sites by DoubleClick, the largest ad-serving platform on the Web, linked to pages designed to install malware on users' desktops.
The ads can then follow her around the web via integrations with ad networks.
Watch for lots more Web sites that give ad companies access to personal data about Websters.
E-Trade placed its first Super Bowl spot in 2000, the bubble year for Web 1.0 ad invasions.
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Microsoft said its mapping services provide other measurement points about online sales such as the amount of space the ad takes up on a Web page and how many times a user sees an ad.
As a result, small businesses spend only 4% of their ad budgets on Web search sites, according to Kelsey Group.
One day she saw an ad on the web for a complaint referral service, Ecomplaints.com, and lodged her gripe there.
Recently, Lapides came across a new ad-supported Web site, called MyBizHomepage.com, that can answer most of his most important questions, even at daybreak.
However the issue with contextual advertising is that web publishers often sell out ad slots on their popular pages while a majority of their site remains unused.
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With up to six months of ad-free web streaming available upon sign-up, music lovers in these markets can organically discover a great number of artists and bands.
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"I've been part of the process of sitting down with a clean sheet of paper and conceptualizing a new TV show, building out the extensions and Web versions and then selling ad buys around it, " he says.
The software, originally spread through classic methods such as spam, has moved on to more sophisticated attacks by providing links to infected web sites through popular social media content such as Twitter, YouTube, and Facebook, by feeding a corrupted advertisement into an ad network for web sites, and by poisoning search results called Search Engine Optimization (SEO) poisoning.
When a user clicks on an online ad, several pieces of data are transmitted, including the web address of the page where the user saw the ad.
The business helped advertisers efficiently buy ad impressions at-scale across the long-tail of the web and its oceans filled with trillions of seemingly undifferentiated ad banners.
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