In a new Google Webmaster Help YouTube video published today, Matt Cutt answers a question from a user regarding IPv4 and IPv6. IPv4 is the current format of an IP address; something like 393.93.295.382. The IPv6 addresses were introduced to deal with the upcoming lack of available IPv4 numbers

Below is what happened in search today, as reported on Search Engine Land and from other places across the Web.

Social media strategy for B2Bs doesn’t start or stop with just having a Facebook or Twitter account. Real business strategy executed through social can pay dividends beyond just the engagement factor, to business, brand, and human impact

The Day 2 afternoon keynote address at Content Marketing World in Cleveland was given by Jonathan Lister , the Vice President of Sales Marketing Solutions for North America at LinkedIn, speaking on why their company is going “all-in” with content marketing. This is an incredible time for both LinkedIn and for TopRank Online Marketing , since TopRank provides content marketing services for LinkedIn Marketing Solutions .

Microsoft rolled out version 9 of the Bing Ads API for developers to start using immediately. The API will include the following additions to functionality: Bulk upload and download methods for campaign management which utilize comma separated values (CSV) and tab separated values (TSV) as the data… Please visit Search Engine Land for the full article.

In an interview conducted at SES 2013 in San Francisco, Chris Boggs of Internet Marketing Ninjas explains all about reactive SEO.

We had a fantastic time documenting speakers, attendees and events at Search Engine Strategies held at the Marriott Marquis in San Francisco last week. Help us ID this cast of characters we captured in the act! And how many folks do you know in the photos? Post your number in the comments. Winner gets the (unofficial) […] Author information John Rampton Managing Editor John Rampton is an entrepreneur, full-time computer nerd, PPC guru at Maple North and founder at PPC.org

We’ve seen tremendous upheaval in the search landscape over the last two years. Google has sent web publishers into a tailspin with Pandas, Penguins, and penalties

In a recent video answer by Google’s head of search spam, Matt Cutts, Google said that spammers rarely use multiple or mass number of ccTLDs in an effort to spam. This comment came from Matt Cutts when he answered a question on if it is duplicate content to have the same content on an IPv4… Please visit Search Engine Land for the full article

An announcement by Facebook confirms what you may have already noticed through interacting with the social network this week; larger images are now standard for all link share posts. The goal behind this, Facebook states, is to make stories look “even more beautiful” as well as increase click-through rates on links with larger, more engaging images. […] Author information Matt Southern Matt Southern is a marketing, communications and public relations professional.