Jaiku makes good sense in the mobile world where written (thumbed) communication needs to be short. It can offer Google a good user-base from which they can launch other mobices (1). Great for embedding ads, and for the multi-lingual user-base
(1) MOBIle serviCES.. If I'm the first to coin this term, CC Attribution please :P
(1) MOBIle serviCES.. If I'm the first to coin this term, CC Attribution please :P