The document discusses different data collection techniques, focusing on online surveys. It provides details on traditional surveys, advantages of online surveys, and disadvantages of online surveys. Some key advantages of online surveys are lower costs, ability to reach a global audience, and potential for anonymity. However, online surveys also face disadvantages such as lack of control over sampling, potential for non-response bias, and inability to verify respondent identities or interpret non-verbal cues. Overall, the document compares traditional and online survey methods and outlines pros and cons of using online tools for data collection.