bq. Readers of Welsh-language websites will be able to get instant English translations with a new computer programme developed by BBC Wales.
bq. Vocab lets users hold the cursor over a word and get an instant translation without having to leave the site.
bq. Developed by BBC Wales’ New Media department, the programme is available free of charge to Welsh-language websites outside the BBC.
There should be more on Morfablog some time, but I can’t understand what it says (unless it integrates the program).