Robert_Charlton - 8:47 pm on Apr 26, 2013 (gmt 0)
From Google's point of view, infographics are subject to various types of misuse, and Matt Cutts, in a number of venues last year, expressed some reservations about them. Some of Matt's comments were discussed in this WebmasterWorld thread....
Infographic Links Might Be Discounted In The Future?
Major problems, as Matt described, is that links are often embedded in the infographic in a way that obscures who's actually getting the linking credit, and (my interpretation of his comments) that information in infographics is perhaps more difficult to fact check than written material might be. Infographics can "bartered" in the same way that widgets were bartered, and this creates some doubt about their reliability.
Much of the discussion in the above thread came from this interview...
Matt Cutts and Eric Talk About What Makes a Quality Site
7/9/2012 by Eric Enge
I would quote some of the same comments that martinibuster quoted, but since he's already cited them, let me add these, which relate specifically to cautions to apply...
Any infographics you create will do better if they’re closely related to your business, and it needs to be fully disclosed what you are doing. The big key is that the person publishing the infographic has to know, and agree with, including an endorsement to your site as attribution with the infographic. Even then, there is reason to believe that the link is more about the barter to get the infographic than a real endorsement of your site.
...I would not be surprised if at some point in the future we did not start to discount these infographic-type links to a degree.