--- title: "Learn - Page 3 | Dupple" url: "https://dupple.com/learn/3" description: "Practical AI guides, tutorials, and how-to articles. Learn to use ChatGPT, Perplexity AI, and other AI tools effectively for work and business." llms_txt: "https://dupple.com/llms.txt" --- Learn # AI guides & tutorials Practical, tested guides to help you pick and use AI tools at work. Prices checked on each vendor's own page. Search all guides 1013 guides Last published Nov 2026 ## Guides, page 3 Page 3 of 34 Article Nov 5, 2026 ## Primary Ad vs Spotlight vs Dedicated Send Compare Techpresso Primary Ads, Spotlight placements and Dedicated Sends by format, creative and campaign measurement. Article Nov 5, 2026 ## Reddit Ads Alternatives for Advertisers: Community, Developer and Newsletter Channels Compare Reddit Ads with Dupple, LinkedIn Ads, daily.dev and EthicalAds on context, targeting, audience evidence and measurement. Article Nov 5, 2026 ## TLDR Alternatives for Advertisers: Technology Newsletters and Developer Channels Compare TLDR with Dupple, daily.dev, Morning Brew and EthicalAds for technology advertising, with sources and measurement limits. Article Nov 5, 2026 ## v0 Pricing 2026: What Plus, Business and Credits Cost a Small Team v0 by Vercel pricing in 2026: Free, Plus $30 and Business $100 per user a month, token rates per model, and what a landing page or internal tool costs monthly. Article Nov 5, 2026 ## What Is a Newsletter Media Kit? Learn what a newsletter media kit can tell an advertiser, how to check audience figures and what to confirm before booking. Article Nov 5, 2026 ## What Is a Post-Signup Offer? Understand post-signup offers, the difference between views, clicks and registrations, and how to assess an advertiser's campaign. Article Nov 5, 2026 ## What Is a Quick Link in Newsletter Advertising? Learn how a newsletter Quick Link works, what to ask about placement and reporting, and how to assess a short sponsor message. Article Nov 5, 2026 ## What Is a Token in AI? 2026 Guide With Real Costs A token is a chunk of text an AI model reads and writes, about 4 characters or 0.75 English words. What tokens cost on OpenAI, Claude and Gemini, worked out. Article Nov 5, 2026 ## What Is AI Referral Traffic? Understand AI referral traffic, what analytics can and cannot attribute, and how to distinguish visits, citations and qualified inquiries. Article Nov 5, 2026 ## What Is Click-to-Open Rate in Email? Learn how click-to-open rate is calculated, why email privacy affects its denominator and what to ask before comparing reports. Article Nov 5, 2026 ## What Is Co-Registration in Newsletter Advertising? Learn how co-registration differs from a post-signup click, what consent and reporting questions to ask, and how to evaluate a lead. Article Nov 5, 2026 ## What Is Email Open Rate Under Apple MPP? Understand reported email open rates under Apple Mail Privacy Protection, their measurement limits and better questions for sponsors. Article Nov 5, 2026 ## What Is Sell-Through in Newsletter Advertising? Understand sell-through, available inventory and booking lead time, with a worked example and questions to ask a newsletter publisher. Article Nov 5, 2026 ## What Are Unique Clicks in Newsletter Ads? Understand unique clicks, total clicks and sponsor-link reports, with measurement limits and questions to ask before comparing campaigns. Article Nov 5, 2026 ## What Are UTMs and Sub IDs in Newsletter Ads? Learn how UTM parameters and provider-specific sub IDs label newsletter campaign traffic, with examples and measurement limitations. Article Nov 4, 2026 ## Best Cybersecurity Newsletters to Advertise In: 10 Compared by Reader (2026) Ten cybersecurity newsletters for security vendors, split by reader (CISOs, practitioners, AppSec, cloud), with each publisher's own audience figures, read Nov 2026. Article Nov 4, 2026 ## How Much Does an AI Receptionist Cost in 2026? Prices at 100, 300 and 1,000 Calls AI receptionist prices in 2026, read on vendor pages: $129 to $500 a month at 300 calls, against $2,100 for human receptionists. Billing models and hidden fees. Article Nov 4, 2026 ## Is Claude Free in 2026? What the Free Plan Includes Yes, Claude has a $0 Free plan with chat, web search, Artifacts, memory and connectors. Claude Code, Opus and Research need Pro at $17 or $20 a month. Article Nov 4, 2026 ## Obsidian vs Notion 2026: Which Note App Fits How You Work? Obsidian is free local Markdown notes with $4/mo Sync; Notion is a shared workspace from $10 per member. Costs for 1 and 5 people, AI and offline in 2026. Article Nov 4, 2026 ## OpenRouter Pricing 2026: Fees, Free Models and Real Cost OpenRouter bills models at provider list price and takes 5.5% when you buy credits (8% on Business). Free models, BYOK, minimum fees and real costs. Article Nov 4, 2026 ## Wispr Flow vs Superwhisper 2026: Cloud or On-Device Dictation? Wispr Flow vs Superwhisper in 2026: Wispr Pro at $12/mo billed yearly vs Superwhisper at $84.99/yr or $249.99 once. Costs over 3 years, privacy and platforms. Article Nov 3, 2026 ## B2B Lead Generation Companies for Tech, Compared by Type Four provider types and 14 B2B lead generation companies for tech, with each company's pricing model and lead definition from its own page, read 3 Nov 2026. Article Nov 3, 2026 ## How to Run a Two-Week B2B Lead Generation Pilot with Newsletter Audiences At the 8.0% network click rate, 200 clicks need about 2,500 offer-card views. Use that arithmetic, a supply check and a copyable plan to size a two-week B2B pilot. Article Nov 3, 2026 ## Co-Registration vs Content Syndication: Which Fits a B2B Lead Buyer? Content syndication sells named, form-filled leads. Decision-makers at 51+ employees: 7.2% of 130,965 quiz answers, 90 days to 3 Nov 2026. Article Nov 3, 2026 ## Content Syndication Vendors Compared: NetLine, TechTarget and DemandScience None of the three publishes a CPL or minimum spend. NetLine's own claim is 700K leads per month. Public terms as of 3 November 2026. Article Nov 3, 2026 ## CPL vs CPC for Newsletter Lead Generation: When to Pay per Lead or per Click Pay per click when your offer converts on your own page, pay per lead when you need a defined person. 12.6% of quiz respondents used a non-consumer email (90 days). Article Nov 3, 2026 ## Framer Pricing 2026: Free, Basic $10, Pro $30 and the Real Team Cost Framer pricing in 2026: Free, Basic at $10 and Pro at $30 per site per month on yearly billing, plus $20 editor seats and add-ons. Team costs worked out. Article Nov 3, 2026 ## Gemini Enterprise Pricing 2026: Business, Standard and Plus Per Seat Gemini Enterprise pricing in 2026: Business edition from $21 per seat a month, Standard and Plus from $30. Costs for 10 and 50 seats and the Copilot comparison. Article Nov 3, 2026 ## GitHub Copilot vs Cursor 2026: Price, Plans and Which to Pick GitHub Copilot Pro is $10/mo inside your editor; Cursor is an AI editor sold in The X Subscription from $8/mo. Plans, team costs and which to pick in 2026. Article Nov 3, 2026 ## HeyGen Pricing 2026: Every Plan, Credits and What a Video Costs HeyGen pricing in 2026: Free, Creator $29/mo ($24 yearly), Pro from $49, Business $149 plus $20 a seat. What credits buy per minute of video, with team costs.