Earlier quoted context omitted.
The posts on CL are no more "Craigslist data" than videos on YouTube are "Google data". The data is submitted by the users for the express purpose of being seen by other people. Does anyone seriously argue that users listing flats on CL do not want their listing found by other avenues? It is clear that Padmapper is providing a service beneficial to both suppliers and consumers of rental properties, and CL is using th…
The users of CL never agreed to let you copy their postings to whatever website you feel like, also it is against their TOS to do so: Any copying, aggregation, display, distribution, performance or derivative use of craigslist or any content posted on craigslist whether done directly or through intermediaries (including but not limited to by means of spiders, robots, crawlers, scrapers, framing, iframes or RSS feeds)…
Since CL offers their data freely to "the public", by what theory can they prevent the public from using their own chosen client browser to view it? Why should there be a distinction between software installed in my computer and a cloud-hosted application like Padmapper?
I believe that Padmapper, as an agent acting on behalf of its users, has every right to reformat the information originating on CL as long as it does not purposefully seek to cause confusion about the origin of the data (which they do not as they link to the source).