At the end of a long hadeeth, beloved prophet Mohammad (PBUH) said,
'..Then it will be a Khilafah on the premises of the Prophet Hood', then he (the Prophet) kept silent. (Musnad Ahmed)
This hadeeth foretold about a future regime which to be established before the last day and not yet happened. The Muslim Ummah (society) has gone through almost every stages noted unless through a Khilafah (a perfect regime) after its drop in 1923 in Istanbul.
And it's glad to say that some nations, some leaders and some movements throughout the Muslim community have started their try towards a Khilafah and to establish it soon.
Anyhow it won't be a regime same as which was in Medina, Bagdad, Damascus, Delhi, Cairo and then in Istanbul. As to conditions of an era change the features of a rule and regime too change as it goes. Every one could easily understand this thing. In this situation, whoever tries for a Khilafah, which is same as in past won't be suitable and won't last almost wont starts.
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Edistorm takes the metaphor of sticky notes on a boardroom wall and brings it online allowing anyone - anywhere to brainstorm with only a web browser.
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Great FAQ about the how and what of Diigo transition. It also has some info on the differences of the two web resources. I personally recommend Diigo over Delicious because of the highlighting and stick notes. They are a great add-on for research.
an Internet utility to assist in the preparation of research papers. Teachers and students can set up research projects with topics and sub-topics. Students may then take advantage of NoteStar's many features to collect and organize their notes and prepare their bibliography page.