Other Web 2.0 tools
like social bookmarking sites (like diigo), or sites that let you build professional communities (like ning.com), or sites like twitter or facebook.
संसाधन को खोलने के लिए Other Web 2.0 tools पर क्लिक करें।
like social bookmarking sites (like diigo), or sites that let you build professional communities (like ning.com), or sites like twitter or facebook.