Mobile learning is transitioning from an institutional model to an individualized, ubiquitous one. There is a tension between formal "mobile learning" controlled by educators, and informal "learning with mobiles" where everyone teaches each other. Resources were once scarce but are now ubiquitous and impossible to control. While institutions promote openness, people prefer freedom. There are also tensions between global standardized technologies benefiting wealthy countries versus supporting diverse local languages and cultures. Technological trends are driven by profits, while educational technology remains parasitic on other digital technologies due to lack of scale and credibility.