Finally I found a research paper that analyzes Twitter from a network analytical perspective. The main message of the paper “Social networks that matter: Twitter under the microscope” by Huberman, Romero and Wu (see also Jeremiah Owyang’s summary) is: the number of people you follow on Twitter is not the whole truth. It’s more interesting […]
O’Reilly just published a short research item on the age distribution of Facebook users and especially the relative changes between May and now. The message is: Among the major Facebook age segments, the fastest growing are teens (13-17) and young (26-34) to middle-age (35-44) professionals, with the growth in teens driven by non-U.S. markets. Also […]
Here are two new maps I created with Pajek (which unfortunately cannot display graphics as nodes) using the Crunchbase API. This time they are about the connections between a number of Web 2.0 startups by their common investors and between these investors. If, for example, the same financial organization or person is investing both in […]