Lead Gen Forms are customizable, prefilled forms that allow members to share their LinkedIn profile data with advertisers.

Explanation: The correct answer is **True**. Lead Gen Forms on LinkedIn are indeed customizable, prefilled forms designed to streamline the lead generation process by allowing members to share their LinkedIn profile data with advertisers. These forms can be tailored to suit specific campaign objectives and audience preferences, enabling advertisers to collect relevant information from potential leads efficiently. By leveraging Lead Gen Forms, advertisers can customize form fields, add their branding, and include a compelling call-to-action to encourage user engagement. Additionally, the prefilled feature enhances user experience by automatically populating form fields with data from members' LinkedIn profiles, reducing friction and increasing the likelihood of form submission. Overall, Lead Gen Forms serve as a valuable tool for advertisers seeking to capture high-quality leads effectively on the LinkedIn platform.