In the previous radar, we mentioned the log aggregation service Papertrail as a way to collect and analyze logs from a variety of sources including web servers, routers, databases and PaaS services. Our subsequent experiences using it and the integrations from PaaS providers such as Heroku nudge it into something we would happily recommend as a convenient and expedient option, notwithstanding our concerns about widespread adoption of services that centralize large quantities of data aggregated from multiple parties.