[4] While the site was originally created with the goal of becoming the largest online database of electronic music,[5] it now includes releases in all genres and on all formats.

[8][4] It was originally started from a computer in Lewandowski's closet and was limited to electronic music.

[10] Its album listings are filterable by the country they ship from, format, currency, genre, style, format description, media condition, year released, seller name, and whether the buyer is invited to "make an offer."

In July 2007, a new subscription-based system for sellers was introduced on the site, called Market Price History.

At the same time, the US$12 per year charge for advanced subscriptions was abolished, as it was felt that the extra features should be made available to all subscribers, now that a different revenue stream had been found from sellers and purchasers.