[zengr]

IMO that's a very common practice: http://i.imgur.com/m1eDE.png (ebay store example) See the sponsored results by volusion, kabbge and ask.com

[ifficiency]

The difference is they are not positioning themselves as Ebay. In the MeetingBurner example they do not say "Considering MeetingBurner?" positioning us as a separate platform. Theres is MeetingBurner - Feature rich web meeting software with the underlying link to GTM.