Ziff Davis Ziff Davis (formerly known as J2 Global) is a digital media and internet company that specializes in technology, entertainment, shopping, health, cybersecurity, and martech. | ![]() International Data Group International Data Group (IDG) is a company providing a market intelligence and demand generation platform for the technology ecosystem. | |
Founding Date | Founding Date 1995 | Founding Date 1964 |
Type | Type Public | Type Private |
Tags | ||
Locations | Locations Needham, US HQ | |
Employees | Employees 3,80010% decrease | Employees 3,300 |
Financial | ||
Revenue (est.) | Revenue (est.) $1.5b (FY, 2025) | Revenue (est.) $1b (Y, 2020) |

International Data Group (IDG) is a company providing a market intelligence and demand generation platform for the technology ecosystem.
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