There seems to be considerable disagreement in the field. Why is it news (I really would like to know!)?

+ Kobakhidze explaining neutron experiments: https://arxiv.org/abs/1108.4161

+ http://physics.stackexchange.com/questions/4289/is-gravity-a...

+ Lubos Motl: http://motls.blogspot.nl/2010/01/erik-verlinde-why-gravity-c... and http://motls.blogspot.nl/2010/01/erik-verlinde-comments-abou...

It's nice to see that also experts in these highly specified fields quarrel about what it means to be "entropic" and "irreversible", etc.