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Tuesday, August 23rd, 2005, 1:54 pm

Invites to Combat Spam

Sky scrapers
Scrapers: where is the original content? Left or right?

Several companies including Google have devised mechanisms so as to avoid becoming the hosts to spammers. It is broadly agreed that spam blogs (also referred to as “splogs”) and spam-generating E-mail accounts can easily damage the reputation of the ISP or the on-line service which provides the bandwidth. Consequently, Google have reacted to spam blogs in a variety of ways and required Google Mail subscribers to be invited by another existing member (“friend brings a friend”), thus establishing trust. Moreover on the issue of spam, content spam can finally be reported and feedback acted upon.

The brand-new WordPress.com, a service similar to that of TypePad and Blogger, takes the same approach as GMail and distributes “invites”. A limit on the number of invites helps the battle against spam over HTTP. While their mechanism appears similar to that GMail invites, it serves a different puspose and has different implications. With spam blogs being endemic, one needs to gain control over who creates blogs, as well as how many. The requirement for a referral from a friend is a novel idea, which can result in a highly-reputed network of blogs. It would attract the best bloggers from ‘junk networks’ characterised by plagiarism, hotlinked (sometimes stolen) graphics or content that provokes hatred and intolerance.

Where else can this idea of invites be used? Virtually in any domain which involves public account instantiation, e.g.:

  • E-mail accounts
  • Blogs
  • Webspaces
  • On-line bookmarks such as del.icio.us

Many other services are moving online (possibly reaching out for on-line operating systems), so we shall see spam hitting many other types of services in the future. Not so long ago I wondered if there would be a place for invites trading on eBay. I guessed it was only a matter of time. Links and PageRank likewise. It was a few days that a WordPress invite ended up in an eBay auction, much as I had predicted. That means that people earn money for subscription to services they do not own! So, under certain circumstances, spamming appears to be substituted by scalping.

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