Everipedia wants to employ for their encyclopedia. They will be combining the EOS blockchain and the InterPlanetary File System, which is somewhat of a decentralized server, that will be used to house the heavier data files such as video and images.
Based on above article, Everipedia aims to store "heavier data files" on IPFS. Does it mean you can't store that kind of files on EOS blockchain, or it's more expensive, or there is another reason behind it? In general, what are the pros and cons in terms of storing files on EOS blockchain vs IPFS?