Centralized services raise many problems: they make your data very vulnerable (one inaccessible website and everything is down) and make it very easy for third parties to exploit your data.
Thig iomadh duilgheadas an lùib seirbheisean meadhanaichte: nì iad an dàta agad glè sho-leònta (ma thachras nach gabh an aon làrach-lìn a ruigsinn, chan fhaigh thu grèim air càil sam bith) agus bidh e glè fhurasta do treas-phàrtaidhean brath a ghabhail air an dàta agad.