"Way back in the TLA heyday, when leading SEO types were recommending TLA [web.archive.org], it was (wrongly) argued that Google would not penalize TLA links because Google couldn't identify them and because TLA was "legitimate" advertising"
Thank you for bringing this up.
Why in the world did anyone ever consider Text Link Ads (TLA) as a legitimate form of building links?
The people on the testimonials page that martinibuster listed above are supposed to be "respected" members of the SEO community?
Really, those TLA's smell like manure from a mile away.