Update README.md

README.md

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 Furthermore, the dataset provides detailed metadata for each set, including information like gender, age, ethnicity, video resolution, duration, and frames per second. This rich metadata provides crucial context for analysis and model development.
 
 Researchers can develop more accurate liveness detection algorithms, which is crucial for achieving **the iBeta Level 2 certification**, a benchmark for robust and reliable biometric systems that prevent fraud.
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+# Frequently Asked Questions
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+## Why is country diversity important when using this face anti spoofing dataset?
+
+The dataset includes participants from 179 countries, providing broad geographic diversity for biometric model development. This can help evaluate whether a face anti spoofing system remains reliable when deployed across different populations and recording environments. Country-level analysis can be used to create evaluation subsets and compare false acceptance or false rejection rates across geographic groups.
+
+## What recording conditions and device differences are represented in the dataset?
+
+The dataset includes recordings captured with both iPhone 13 and Google Pixel devices, with each device contributing a different share of the data. Video resolution also varies considerably, ranging from 480 × 360p to 1920 × 1080p, with additional intermediate formats represented. Video length ranges from 2 to 34 seconds, with a mean and median duration of 9 seconds. The frame rate averages 26.6 FPS. This variability makes the dataset useful for evaluating how face anti-spoofing models perform across different capture devices, resolutions, frame rates, and video durations.
+
+## Was the face anti-spoofing data collected through crowdsourcing?
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+Yes. The underlying collection was produced through crowdsourcing platforms. This is relevant when assessing the origin and variability of the face anti-spoofing data because crowdsourced collection can provide access to participants across a broad geographic area and different consumer devices.
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 # 🌐 [UniData](https://unidata.pro/datasets/face-anti-spoofing/?utm_source=huggingface&utm_medium=referral&utm_campaign=face-anti-spoofing) provides high-quality datasets, content moderation, data collection and annotation for your AI/ML projects