Xumii: the Social Address Book for Mobile
[DEMOFall 08] I always love social networking and chatting services aggregators because it is a real pain to manage all my social activity from different places. Xumii seems (I did not test it yet) to bring this concept to the next level: it integrates the IM services and the social networking sites, making everything accessible from one screen on your mobile! Users can access every contact from every network in a mobile address book that combines contacts from social networks, instant messaging services, media sharing Web sites. Xumii enables mobile chatting and media sharing with other Xumii users. You can join the Xumii beta or go to m.xumii.com on your mobile phone.
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Prenotification in Web-Based Access Panel Surveys: The Influence of Mobile Text Messaging Versus E-Mail on Response Rates and Sample Composition
To compare the effectiveness of different prenotification and invitation procedures in a web-based three-wave access panel survey over 3 consecutive months, we experimentally varied the contact mode in a fully crossed two-factorial design with (a) three different prenotification conditions (mobile short messaging service [SMS], e-mail, no prenotice) and (b) two “invitation and reminder” conditions (SMS, e-mail). A group with nearly complete mobile phone coverage was randomly assigned to one of these six experimental conditions. As expected, SMS prenotifications outperformed e-mail prenotifications in terms of response rates across all three waves. Furthermore, e-mail invitation response rates outperformed those for SMS invitations. The combination of SMS prenotification and e-mail invitation performed best. The different experimental treatments did not have an effect on the sample composition of respondents between groups.
Latest 802.11 standards: Too little too late?
Both 802.11k for radio resource measurement/management and 802.11r for fast handoff among wireless LAN access points have recently been ratified. Their arrival reminds me a little of the discussions surrounding IPv6 a few years ago, in that many of the problems these standards were designed to address have, in the meantime, been solved in alternative ways.
