HBase and Haystack; all data LZO-compressed; very interesting approach to testing -- they 'shadow the real production workload into the test cluster to test before going into production'. This catches a 'high percentage' of issues before production. nice

using notifo.com, which has an app in the App Store allowing anyone to send push notifications via their web site. I can see lots of uses for this, not least to evade SMS fees ;)

pay EUR3 per month to receive Twitter @replies to your SMS mobile in Ireland -- a good niche

what is the law, and how to make a complaint against an Irish company, via Donncha