[6] Resnick is the writer and executive producer of the feature-length romantic comedy based on her book Townhouse Confidential (dir.

She and co-writer Ciro De Martino developed a TV series called The Medici Diamonds, a 2019 official selection for the International Filmmaker Festival of World Cinema's "Best Unproduced Scripts.

In the role of a cyber-relationship "sexpert," Resnick developed and hosted AOL’s NetGirl Forum, one of the early Internet’s most popular online dating services, from 1995 to 1996.

She co-patented[18] the concept of 100% opt-in email marketing in 1996, which turned the 2-person website design firm into an online marketing company that generated $58 million in sales in 2000, the year after its IPO, and earned it a ranking in Business Week’s "Information Technology 100" in 2001 for revenue growth surpassing 615%.

[21] At the time of its IPO, the company was valued at approximately $300 million, achieving a market cap of over $1 billion in February 2000.

Resnick and her partner Ryan Scott[22] sold the company after the dot-com crash of 2000 to SEAT Pagine Gialle in February 2001 for $111 million in cash.

[26] After leaving The Miami Herald in 1990, Resnick wrote freelance business and technology stories for dozens of national and international publications, including The National Law Journal, International Business, Florida Trend, Compute!, PC Today, and Home Office Computing.