I own two very simple recording devices that I use in interviews and sometimes just to get a recording of the sounds of a market when visiting. In my own work, here are the two that I use:

They are both very useful and not that expensive, but sometimes just using a site that records short mp3s is all that is needed. This came up again this week, as we are hoping to use this technology in reporting to a funder on a project that I am working on and wanted project partners from across the country to record short sound bites. As an example, check out my recording which took 4 minutes to record and upload to my website:
HPMG mp3

And here is the link to the free mp3 site that I used