https://liammcmahon.uk/blog/ Weekly commentary from Liam McMahon, a systems architect and full-stack developer in Belfast, Northern Ireland — on shop and retail technology, online ordering, databases and cloud. en-gb Fri, 14 Aug 2026 13:30:13 GMT https://liammcmahon.uk/blog/2026-08-14-shop-floor-expertise-digital-retail.html https://liammcmahon.uk/blog/2026-08-14-shop-floor-expertise-digital-retail.html Fri, 14 Aug 2026 09:00:00 GMT Oxfam's retail director says shop-floor expertise is what powers its ecommerce, rental and livestream selling. From a systems point of view she is right, and most retail software gets this backwards. https://liammcmahon.uk/blog/2026-07-31-online-ordering-system-northern-ireland.html https://liammcmahon.uk/blog/2026-07-31-online-ordering-system-northern-ireland.html Fri, 31 Jul 2026 09:00:00 GMT Every shop owner I speak to in Northern Ireland has been quoted a monthly figure for online ordering. Almost nobody has been shown the second and third numbers underneath it.