Guides and comparisons on four topics: automation, AI in business, connecting software, and custom software and websites.https://katiotech.com/en/blog/en-ushttps://katiotech.com/en/blog/copilot-chat-without-license/https://katiotech.com/en/blog/copilot-chat-without-license/Starting November 9, Microsoft limits Copilot Chat for everyone without a Copilot license. What stays free and when the license pays off.Wed, 04 Nov 2026 11:00:00 GMTAI in businesshttps://katiotech.com/en/blog/connect-datev-to-ai/https://katiotech.com/en/blog/connect-datev-to-ai/DATEV has no connector for Copilot, ChatGPT, or Claude. The routes that work anyway, for German subsidiaries and for tax advisory firms.Mon, 02 Nov 2026 09:00:00 GMTConnecting softwarehttps://katiotech.com/en/blog/3cx-mcp-server/https://katiotech.com/en/blog/3cx-mcp-server/3CX Update 10 adds an MCP server for ChatGPT and Claude. How to set it up and which permissions the AI should get.Sat, 31 Oct 2026 09:00:00 GMTConnecting softwarehttps://katiotech.com/en/blog/connect-software-to-copilot/https://katiotech.com/en/blog/connect-software-to-copilot/Since October 27, 2026, admins can connect their own software to Microsoft 365 Copilot via MCP. The options and what each one requires.Fri, 30 Oct 2026 08:00:00 GMTConnecting softwarehttps://katiotech.com/en/blog/e-invoicing-mandate/https://katiotech.com/en/blog/e-invoicing-mandate/From January 1, 2027, businesses in Germany with more than €800,000 in revenue must issue e-invoices. Who is affected and what the software needs to do.Thu, 29 Oct 2026 08:00:00 GMTAutomationhttps://katiotech.com/en/blog/ai-act-business-obligations/https://katiotech.com/en/blog/ai-act-business-obligations/Since August 2026, a website chatbot has to show that an AI is answering. For ChatGPT and Copilot in the office, the EU relaxed the rules.Wed, 28 Oct 2026 10:47:00 GMTAI in businesshttps://katiotech.com/en/blog/php2shell/https://katiotech.com/en/blog/php2shell/The vulnerabilities are in PHP itself, not in WordPress or plugins. Who has to install the update, and how to confirm it on the server.Mon, 26 Oct 2026 17:00:00 GMTSoftware and webhttps://katiotech.com/en/blog/n8n-power-automate-make-zapier-comparison/https://katiotech.com/en/blog/n8n-power-automate-make-zapier-comparison/All four connect applications into workflows. What sets them apart is billing, data location, and what it takes to run them.Sat, 24 Oct 2026 16:49:00 GMTAutomation